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Finding the Fourth Proportional to 58,611,773.04, 87,931,053.72 and 20,273,254.80

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Solution

The fourth proportional to 58,611,773.04, 87,931,053.72 and 20,273,254.80 is: 30,414,515.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    58,611,773.04 : 87,931,053.72 = 20,273,254.80 : x
  2. Step 2: Convert to fraction form
    58,611,773.04/87,931,053.72 = 20,273,254.80/x
  3. Step 3: Cross multiply
    58,611,773.04x = 87,931,053.72 × 20,273,254.80
  4. Step 4: Simplify right side
    58,611,773.04x = 1,782,648,656,898,048
  5. Step 5: Solve for x
    x = 1,782,648,656,898,048/58,611,773.04
  6. Step 6: Final answer
    x = 30,414,515.11

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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.