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Finding the Fourth Proportional to 152,521.52, 228,726.12 and 52,656.08

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Solution

The fourth proportional to 152,521.52, 228,726.12 and 52,656.08 is: 78,964.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    152,521.52 : 228,726.12 = 52,656.08 : x
  2. Step 2: Convert to fraction form
    152,521.52/228,726.12 = 52,656.08/x
  3. Step 3: Cross multiply
    152,521.52x = 228,726.12 × 52,656.08
  4. Step 4: Simplify right side
    152,521.52x = 12,043,820,872.81
  5. Step 5: Solve for x
    x = 12,043,820,872.81/152,521.52
  6. Step 6: Final answer
    x = 78,964.73

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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.