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Finding the Fourth Proportional to 124,492.61, 186,713.30 and 35,726.33

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Solution

The fourth proportional to 124,492.61, 186,713.30 and 35,726.33 is: 53,582.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,492.61 : 186,713.30 = 35,726.33 : x
  2. Step 2: Convert to fraction form
    124,492.61/186,713.30 = 35,726.33/x
  3. Step 3: Cross multiply
    124,492.61x = 186,713.30 × 35,726.33
  4. Step 4: Simplify right side
    124,492.61x = 6,670,581,527.29
  5. Step 5: Solve for x
    x = 6,670,581,527.29/124,492.61
  6. Step 6: Final answer
    x = 53,582.15

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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.