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Finding the Fourth Proportional to 110,558.53, 152,561.10 and 61,490.74

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Solution

The fourth proportional to 110,558.53, 152,561.10 and 61,490.74 is: 84,851.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    110,558.53 : 152,561.10 = 61,490.74 : x
  2. Step 2: Convert to fraction form
    110,558.53/152,561.10 = 61,490.74/x
  3. Step 3: Cross multiply
    110,558.53x = 152,561.10 × 61,490.74
  4. Step 4: Simplify right side
    110,558.53x = 9,381,094,934.21
  5. Step 5: Solve for x
    x = 9,381,094,934.21/110,558.53
  6. Step 6: Final answer
    x = 84,851.84

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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.