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Finding the Fourth Proportional to 147,508.87, 221,263.35 and 36,700.87

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Solution

The fourth proportional to 147,508.87, 221,263.35 and 36,700.87 is: 55,051.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    147,508.87 : 221,263.35 = 36,700.87 : x
  2. Step 2: Convert to fraction form
    147,508.87/221,263.35 = 36,700.87/x
  3. Step 3: Cross multiply
    147,508.87x = 221,263.35 × 36,700.87
  4. Step 4: Simplify right side
    147,508.87x = 8,120,557,444.11
  5. Step 5: Solve for x
    x = 8,120,557,444.11/147,508.87
  6. Step 6: Final answer
    x = 55,051.32

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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.