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Finding the Fourth Proportional to 75,123.66, 103,663.47 and 44,902.98

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Solution

The fourth proportional to 75,123.66, 103,663.47 and 44,902.98 is: 61,961.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,123.66 : 103,663.47 = 44,902.98 : x
  2. Step 2: Convert to fraction form
    75,123.66/103,663.47 = 44,902.98/x
  3. Step 3: Cross multiply
    75,123.66x = 103,663.47 × 44,902.98
  4. Step 4: Simplify right side
    75,123.66x = 4,654,798,720.14
  5. Step 5: Solve for x
    x = 4,654,798,720.14/75,123.66
  6. Step 6: Final answer
    x = 61,961.82

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.