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Finding the Fourth Proportional to 147,053.80, 220,580.70 and 94,565.80

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Solution

The fourth proportional to 147,053.80, 220,580.70 and 94,565.80 is: 141,848.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    147,053.80 : 220,580.70 = 94,565.80 : x
  2. Step 2: Convert to fraction form
    147,053.80/220,580.70 = 94,565.80/x
  3. Step 3: Cross multiply
    147,053.80x = 220,580.70 × 94,565.80
  4. Step 4: Simplify right side
    147,053.80x = 20,859,390,360.06
  5. Step 5: Solve for x
    x = 20,859,390,360.06/147,053.80
  6. Step 6: Final answer
    x = 141,848.70

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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.