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Finding the Fourth Proportional to 152,471.71, 210,341.95 and 92,023.03

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Solution

The fourth proportional to 152,471.71, 210,341.95 and 92,023.03 is: 126,950.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    152,471.71 : 210,341.95 = 92,023.03 : x
  2. Step 2: Convert to fraction form
    152,471.71/210,341.95 = 92,023.03/x
  3. Step 3: Cross multiply
    152,471.71x = 210,341.95 × 92,023.03
  4. Step 4: Simplify right side
    152,471.71x = 19,356,302,523.40
  5. Step 5: Solve for x
    x = 19,356,302,523.40/152,471.71
  6. Step 6: Final answer
    x = 126,950.13

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.