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Finding the Fourth Proportional to 152,585.80, 228,878.70 and 123,061.30

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Solution

The fourth proportional to 152,585.80, 228,878.70 and 123,061.30 is: 184,591.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    152,585.80 : 228,878.70 = 123,061.30 : x
  2. Step 2: Convert to fraction form
    152,585.80/228,878.70 = 123,061.30/x
  3. Step 3: Cross multiply
    152,585.80x = 228,878.70 × 123,061.30
  4. Step 4: Simplify right side
    152,585.80x = 28,166,110,364.31
  5. Step 5: Solve for x
    x = 28,166,110,364.31/152,585.80
  6. Step 6: Final answer
    x = 184,591.95

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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.