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Finding the Fourth Proportional to 152,587.80, 228,881.70 and 123,063.30

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Solution

The fourth proportional to 152,587.80, 228,881.70 and 123,063.30 is: 184,594.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    152,587.80 : 228,881.70 = 123,063.30 : x
  2. Step 2: Convert to fraction form
    152,587.80/228,881.70 = 123,063.30/x
  3. Step 3: Cross multiply
    152,587.80x = 228,881.70 × 123,063.30
  4. Step 4: Simplify right side
    152,587.80x = 28,166,937,311.61
  5. Step 5: Solve for x
    x = 28,166,937,311.61/152,587.80
  6. Step 6: Final answer
    x = 184,594.95

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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.