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Finding the Fourth Proportional to 102,662,409.60, 153,993,614.40 and 95,859,964.80

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Solution

The fourth proportional to 102,662,409.60, 153,993,614.40 and 95,859,964.80 is: 143,789,947.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    102,662,409.60 : 153,993,614.40 = 95,859,964.80 : x
  2. Step 2: Convert to fraction form
    102,662,409.60/153,993,614.40 = 95,859,964.80/x
  3. Step 3: Cross multiply
    102,662,409.60x = 153,993,614.40 × 95,859,964.80
  4. Step 4: Simplify right side
    102,662,409.60x = 14,761,822,455,808,774
  5. Step 5: Solve for x
    x = 14,761,822,455,808,774/102,662,409.60
  6. Step 6: Final answer
    x = 143,789,947.20

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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.