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Finding the Fourth Proportional to 98,123,583.60, 146,866,510.80 and 98,123,583.60

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Solution

The fourth proportional to 98,123,583.60, 146,866,510.80 and 98,123,583.60 is: 146,866,510.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    98,123,583.60 : 146,866,510.80 = 98,123,583.60 : x
  2. Step 2: Convert to fraction form
    98,123,583.60/146,866,510.80 = 98,123,583.60/x
  3. Step 3: Cross multiply
    98,123,583.60x = 146,866,510.80 × 98,123,583.60
  4. Step 4: Simplify right side
    98,123,583.60x = 14,411,068,350,524,104
  5. Step 5: Solve for x
    x = 14,411,068,350,524,104/98,123,583.60
  6. Step 6: Final answer
    x = 146,866,510.80

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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.