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Finding the Fourth Proportional to 113,348,681.40, 170,211,978.90 and 62,267,359.80

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Solution

The fourth proportional to 113,348,681.40, 170,211,978.90 and 62,267,359.80 is: 93,504,841.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    113,348,681.40 : 170,211,978.90 = 62,267,359.80 : x
  2. Step 2: Convert to fraction form
    113,348,681.40/170,211,978.90 = 62,267,359.80/x
  3. Step 3: Cross multiply
    113,348,681.40x = 170,211,978.90 × 62,267,359.80
  4. Step 4: Simplify right side
    113,348,681.40x = 10,598,650,532,436,308
  5. Step 5: Solve for x
    x = 10,598,650,532,436,308/113,348,681.40
  6. Step 6: Final answer
    x = 93,504,841.89

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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.