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Finding the Fourth Proportional to 147,658.53, 221,490.94 and 52,894.88

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Solution

The fourth proportional to 147,658.53, 221,490.94 and 52,894.88 is: 79,343.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    147,658.53 : 221,490.94 = 52,894.88 : x
  2. Step 2: Convert to fraction form
    147,658.53/221,490.94 = 52,894.88/x
  3. Step 3: Cross multiply
    147,658.53x = 221,490.94 × 52,894.88
  4. Step 4: Simplify right side
    147,658.53x = 11,715,736,692.39
  5. Step 5: Solve for x
    x = 11,715,736,692.39/147,658.53
  6. Step 6: Final answer
    x = 79,343.45

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1.5x scale

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.