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Finding the Fourth Proportional to 172,220.16, 258,323.16 and 59,926.08

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Solution

The fourth proportional to 172,220.16, 258,323.16 and 59,926.08 is: 89,886.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    172,220.16 : 258,323.16 = 59,926.08 : x
  2. Step 2: Convert to fraction form
    172,220.16/258,323.16 = 59,926.08/x
  3. Step 3: Cross multiply
    172,220.16x = 258,323.16 × 59,926.08
  4. Step 4: Simplify right side
    172,220.16x = 15,480,294,352.01
  5. Step 5: Solve for x
    x = 15,480,294,352.01/172,220.16
  6. Step 6: Final answer
    x = 89,886.66

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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.