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Finding the Fourth Proportional to 155,894,489.60, 233,742,201.60 and 65,054,220.80

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Solution

The fourth proportional to 155,894,489.60, 233,742,201.60 and 65,054,220.80 is: 97,539,796.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    155,894,489.60 : 233,742,201.60 = 65,054,220.80 : x
  2. Step 2: Convert to fraction form
    155,894,489.60/233,742,201.60 = 65,054,220.80/x
  3. Step 3: Cross multiply
    155,894,489.60x = 233,742,201.60 × 65,054,220.80
  4. Step 4: Simplify right side
    155,894,489.60x = 15,205,916,793,164,512
  5. Step 5: Solve for x
    x = 15,205,916,793,164,512/155,894,489.60
  6. Step 6: Final answer
    x = 97,539,796.51

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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.