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Finding the Fourth Proportional to 161,792,602.40, 242,688,903.60 and 59,535,480.80

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Solution

The fourth proportional to 161,792,602.40, 242,688,903.60 and 59,535,480.80 is: 89,303,221.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    161,792,602.40 : 242,688,903.60 = 59,535,480.80 : x
  2. Step 2: Convert to fraction form
    161,792,602.40/242,688,903.60 = 59,535,480.80/x
  3. Step 3: Cross multiply
    161,792,602.40x = 242,688,903.60 × 59,535,480.80
  4. Step 4: Simplify right side
    161,792,602.40x = 14,448,600,560,650,850
  5. Step 5: Solve for x
    x = 14,448,600,560,650,850/161,792,602.40
  6. Step 6: Final answer
    x = 89,303,221.20

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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.