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Finding the Fourth Proportional to 124,034.20, 186,051.30 and 94,509.70

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Solution

The fourth proportional to 124,034.20, 186,051.30 and 94,509.70 is: 141,764.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,034.20 : 186,051.30 = 94,509.70 : x
  2. Step 2: Convert to fraction form
    124,034.20/186,051.30 = 94,509.70/x
  3. Step 3: Cross multiply
    124,034.20x = 186,051.30 × 94,509.70
  4. Step 4: Simplify right side
    124,034.20x = 17,583,652,547.61
  5. Step 5: Solve for x
    x = 17,583,652,547.61/124,034.20
  6. Step 6: Final answer
    x = 141,764.55

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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.