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Finding the Fourth Proportional to 101,464.48, 152,139.12 and 84,927.52

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Solution

The fourth proportional to 101,464.48, 152,139.12 and 84,927.52 is: 127,343.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    101,464.48 : 152,139.12 = 84,927.52 : x
  2. Step 2: Convert to fraction form
    101,464.48/152,139.12 = 84,927.52/x
  3. Step 3: Cross multiply
    101,464.48x = 152,139.12 × 84,927.52
  4. Step 4: Simplify right side
    101,464.48x = 12,920,798,156.58
  5. Step 5: Solve for x
    x = 12,920,798,156.58/101,464.48
  6. Step 6: Final answer
    x = 127,343.07

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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.