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Finding the Fourth Proportional to 105,706,043.60, 158,559,065.40 and 105,706,043.60

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Solution

The fourth proportional to 105,706,043.60, 158,559,065.40 and 105,706,043.60 is: 158,559,065.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    105,706,043.60 : 158,559,065.40 = 105,706,043.60 : x
  2. Step 2: Convert to fraction form
    105,706,043.60/158,559,065.40 = 105,706,043.60/x
  3. Step 3: Cross multiply
    105,706,043.60x = 158,559,065.40 × 105,706,043.60
  4. Step 4: Simplify right side
    105,706,043.60x = 16,760,651,480,347,652
  5. Step 5: Solve for x
    x = 16,760,651,480,347,652/105,706,043.60
  6. Step 6: Final answer
    x = 158,559,065.40

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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.