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Finding the Fourth Proportional to 223,217.48, 307,952.88 and 127,673.12

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Solution

The fourth proportional to 223,217.48, 307,952.88 and 127,673.12 is: 176,139.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    223,217.48 : 307,952.88 = 127,673.12 : x
  2. Step 2: Convert to fraction form
    223,217.48/307,952.88 = 127,673.12/x
  3. Step 3: Cross multiply
    223,217.48x = 307,952.88 × 127,673.12
  4. Step 4: Simplify right side
    223,217.48x = 39,317,305,002.59
  5. Step 5: Solve for x
    x = 39,317,305,002.59/223,217.48
  6. Step 6: Final answer
    x = 176,139.01

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1.5x scale

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.