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Finding the Fourth Proportional to 105,984,009.40, 148,717,735.40 and 105,984,009.40

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Solution

The fourth proportional to 105,984,009.40, 148,717,735.40 and 105,984,009.40 is: 148,717,735.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    105,984,009.40 : 148,717,735.40 = 105,984,009.40 : x
  2. Step 2: Convert to fraction form
    105,984,009.40/148,717,735.40 = 105,984,009.40/x
  3. Step 3: Cross multiply
    105,984,009.40x = 148,717,735.40 × 105,984,009.40
  4. Step 4: Simplify right side
    105,984,009.40x = 15,761,701,866,580,314
  5. Step 5: Solve for x
    x = 15,761,701,866,580,314/105,984,009.40
  6. Step 6: Final answer
    x = 148,717,735.40

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Why These Related Problems?

These problems maintain the same ratio (1.40) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.