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Finding the Fourth Proportional to 220,967.52, 304,924.32 and 125,461.68

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Solution

The fourth proportional to 220,967.52, 304,924.32 and 125,461.68 is: 173,130.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    220,967.52 : 304,924.32 = 125,461.68 : x
  2. Step 2: Convert to fraction form
    220,967.52/304,924.32 = 125,461.68/x
  3. Step 3: Cross multiply
    220,967.52x = 304,924.32 × 125,461.68
  4. Step 4: Simplify right side
    220,967.52x = 38,256,317,460.06
  5. Step 5: Solve for x
    x = 38,256,317,460.06/220,967.52
  6. Step 6: Final answer
    x = 173,130.95

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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.