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Finding the Fourth Proportional to 147,230.10, 220,517.10 and 127,547.10

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Solution

The fourth proportional to 147,230.10, 220,517.10 and 127,547.10 is: 191,036.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    147,230.10 : 220,517.10 = 127,547.10 : x
  2. Step 2: Convert to fraction form
    147,230.10/220,517.10 = 127,547.10/x
  3. Step 3: Cross multiply
    147,230.10x = 220,517.10 × 127,547.10
  4. Step 4: Simplify right side
    147,230.10x = 28,126,316,605.41
  5. Step 5: Solve for x
    x = 28,126,316,605.41/147,230.10
  6. Step 6: Final answer
    x = 191,036.46

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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.