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Finding the Fourth Proportional to 78,484.56, 108,332.04 and 44,972.88

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Solution

The fourth proportional to 78,484.56, 108,332.04 and 44,972.88 is: 62,075.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    78,484.56 : 108,332.04 = 44,972.88 : x
  2. Step 2: Convert to fraction form
    78,484.56/108,332.04 = 44,972.88/x
  3. Step 3: Cross multiply
    78,484.56x = 108,332.04 × 44,972.88
  4. Step 4: Simplify right side
    78,484.56x = 4,872,003,835.08
  5. Step 5: Solve for x
    x = 4,872,003,835.08/78,484.56
  6. Step 6: Final answer
    x = 62,075.95

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1.5x scale

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.