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Finding the Fourth Proportional to 220,294.10, 304,008 and 124,798.76

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Solution

The fourth proportional to 220,294.10, 304,008 and 124,798.76 is: 172,223.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    220,294.10 : 304,008 = 124,798.76 : x
  2. Step 2: Convert to fraction form
    220,294.10/304,008 = 124,798.76/x
  3. Step 3: Cross multiply
    220,294.10x = 304,008 × 124,798.76
  4. Step 4: Simplify right side
    220,294.10x = 37,939,821,430.08
  5. Step 5: Solve for x
    x = 37,939,821,430.08/220,294.10
  6. Step 6: Final answer
    x = 172,223.50

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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.