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Finding the Fourth Proportional to 191,178.53, 286,766.84 and 49,023.17

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Solution

The fourth proportional to 191,178.53, 286,766.84 and 49,023.17 is: 73,534.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    191,178.53 : 286,766.84 = 49,023.17 : x
  2. Step 2: Convert to fraction form
    191,178.53/286,766.84 = 49,023.17/x
  3. Step 3: Cross multiply
    191,178.53x = 286,766.84 × 49,023.17
  4. Step 4: Simplify right side
    191,178.53x = 14,058,219,302.57
  5. Step 5: Solve for x
    x = 14,058,219,302.57/191,178.53
  6. Step 6: Final answer
    x = 73,534.51

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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.