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Finding the Fourth Proportional to 152,041.30, 228,061.95 and 73,114.90

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Solution

The fourth proportional to 152,041.30, 228,061.95 and 73,114.90 is: 109,672.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    152,041.30 : 228,061.95 = 73,114.90 : x
  2. Step 2: Convert to fraction form
    152,041.30/228,061.95 = 73,114.90/x
  3. Step 3: Cross multiply
    152,041.30x = 228,061.95 × 73,114.90
  4. Step 4: Simplify right side
    152,041.30x = 16,674,726,668.06
  5. Step 5: Solve for x
    x = 16,674,726,668.06/152,041.30
  6. Step 6: Final answer
    x = 109,672.35

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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.