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Finding the Fourth Proportional to 172,228.32, 258,326.28 and 59,881.32

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Solution

The fourth proportional to 172,228.32, 258,326.28 and 59,881.32 is: 89,816.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    172,228.32 : 258,326.28 = 59,881.32 : x
  2. Step 2: Convert to fraction form
    172,228.32/258,326.28 = 59,881.32/x
  3. Step 3: Cross multiply
    172,228.32x = 258,326.28 × 59,881.32
  4. Step 4: Simplify right side
    172,228.32x = 15,468,918,637.09
  5. Step 5: Solve for x
    x = 15,468,918,637.09/172,228.32
  6. Step 6: Final answer
    x = 89,816.35

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.