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Finding the Fourth Proportional to 292,070.76, 437,995.98 and 102,472.44

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Solution

The fourth proportional to 292,070.76, 437,995.98 and 102,472.44 is: 153,670.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    292,070.76 : 437,995.98 = 102,472.44 : x
  2. Step 2: Convert to fraction form
    292,070.76/437,995.98 = 102,472.44/x
  3. Step 3: Cross multiply
    292,070.76x = 437,995.98 × 102,472.44
  4. Step 4: Simplify right side
    292,070.76x = 44,882,516,780.79
  5. Step 5: Solve for x
    x = 44,882,516,780.79/292,070.76
  6. Step 6: Final answer
    x = 153,670.01

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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.