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Finding the Fourth Proportional to 113,468,368.80, 169,950,610.80 and 93,312,976.80

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Solution

The fourth proportional to 113,468,368.80, 169,950,610.80 and 93,312,976.80 is: 139,762,275.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    113,468,368.80 : 169,950,610.80 = 93,312,976.80 : x
  2. Step 2: Convert to fraction form
    113,468,368.80/169,950,610.80 = 93,312,976.80/x
  3. Step 3: Cross multiply
    113,468,368.80x = 169,950,610.80 × 93,312,976.80
  4. Step 4: Simplify right side
    113,468,368.80x = 15,858,597,402,726,230
  5. Step 5: Solve for x
    x = 15,858,597,402,726,230/113,468,368.80
  6. Step 6: Final answer
    x = 139,762,275.34

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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.