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Finding the Fourth Proportional to 220,295.79, 304,007.45 and 124,820.69

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Solution

The fourth proportional to 220,295.79, 304,007.45 and 124,820.69 is: 172,252.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    220,295.79 : 304,007.45 = 124,820.69 : x
  2. Step 2: Convert to fraction form
    220,295.79/304,007.45 = 124,820.69/x
  3. Step 3: Cross multiply
    220,295.79x = 304,007.45 × 124,820.69
  4. Step 4: Simplify right side
    220,295.79x = 37,946,417,530.00
  5. Step 5: Solve for x
    x = 37,946,417,530.00/220,295.79
  6. Step 6: Final answer
    x = 172,252.12

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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.