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Finding the Fourth Proportional to 147,557.50, 221,337.06 and 36,749.50

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Solution

The fourth proportional to 147,557.50, 221,337.06 and 36,749.50 is: 55,124.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    147,557.50 : 221,337.06 = 36,749.50 : x
  2. Step 2: Convert to fraction form
    147,557.50/221,337.06 = 36,749.50/x
  3. Step 3: Cross multiply
    147,557.50x = 221,337.06 × 36,749.50
  4. Step 4: Simplify right side
    147,557.50x = 8,134,026,286.47
  5. Step 5: Solve for x
    x = 8,134,026,286.47/147,557.50
  6. Step 6: Final answer
    x = 55,124.45

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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.