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Finding the Fourth Proportional to 153,602.22, 211,795.47 and 124,843.17

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Solution

The fourth proportional to 153,602.22, 211,795.47 and 124,843.17 is: 172,140.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    153,602.22 : 211,795.47 = 124,843.17 : x
  2. Step 2: Convert to fraction form
    153,602.22/211,795.47 = 124,843.17/x
  3. Step 3: Cross multiply
    153,602.22x = 211,795.47 × 124,843.17
  4. Step 4: Simplify right side
    153,602.22x = 26,441,217,866.44
  5. Step 5: Solve for x
    x = 26,441,217,866.44/153,602.22
  6. Step 6: Final answer
    x = 172,140.86

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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.