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Finding the Fourth Proportional to 140,476,602.80, 210,714,904.20 and 59,687,073.20

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Solution

The fourth proportional to 140,476,602.80, 210,714,904.20 and 59,687,073.20 is: 89,530,609.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    140,476,602.80 : 210,714,904.20 = 59,687,073.20 : x
  2. Step 2: Convert to fraction form
    140,476,602.80/210,714,904.20 = 59,687,073.20/x
  3. Step 3: Cross multiply
    140,476,602.80x = 210,714,904.20 × 59,687,073.20
  4. Step 4: Simplify right side
    140,476,602.80x = 12,576,955,911,316,388
  5. Step 5: Solve for x
    x = 12,576,955,911,316,388/140,476,602.80
  6. Step 6: Final answer
    x = 89,530,609.80

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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.