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Finding the Fourth Proportional to 153,300,042.40, 229,978,057.20 and 62,432,816.80

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Solution

The fourth proportional to 153,300,042.40, 229,978,057.20 and 62,432,816.80 is: 93,660,625.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    153,300,042.40 : 229,978,057.20 = 62,432,816.80 : x
  2. Step 2: Convert to fraction form
    153,300,042.40/229,978,057.20 = 62,432,816.80/x
  3. Step 3: Cross multiply
    153,300,042.40x = 229,978,057.20 × 62,432,816.80
  4. Step 4: Simplify right side
    153,300,042.40x = 14,358,177,913,187,520
  5. Step 5: Solve for x
    x = 14,358,177,913,187,520/153,300,042.40
  6. Step 6: Final answer
    x = 93,660,625.84

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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.