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Finding the Fourth Proportional to 99,533.91, 148,950.08 and 62,111.61

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Solution

The fourth proportional to 99,533.91, 148,950.08 and 62,111.61 is: 92,948.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,533.91 : 148,950.08 = 62,111.61 : x
  2. Step 2: Convert to fraction form
    99,533.91/148,950.08 = 62,111.61/x
  3. Step 3: Cross multiply
    99,533.91x = 148,950.08 × 62,111.61
  4. Step 4: Simplify right side
    99,533.91x = 9,251,528,223.12
  5. Step 5: Solve for x
    x = 9,251,528,223.12/99,533.91
  6. Step 6: Final answer
    x = 92,948.51

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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.