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Finding the Fourth Proportional to 60,984,003.80, 91,476,005.70 and 30,750,915.80

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Solution

The fourth proportional to 60,984,003.80, 91,476,005.70 and 30,750,915.80 is: 46,126,373.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    60,984,003.80 : 91,476,005.70 = 30,750,915.80 : x
  2. Step 2: Convert to fraction form
    60,984,003.80/91,476,005.70 = 30,750,915.80/x
  3. Step 3: Cross multiply
    60,984,003.80x = 91,476,005.70 × 30,750,915.80
  4. Step 4: Simplify right side
    60,984,003.80x = 2,812,970,949,001,020
  5. Step 5: Solve for x
    x = 2,812,970,949,001,020/60,984,003.80
  6. Step 6: Final answer
    x = 46,126,373.70

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.