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Finding the Fourth Proportional to 172,302.15, 258,748.47 and 93,570.15

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Solution

The fourth proportional to 172,302.15, 258,748.47 and 93,570.15 is: 140,515.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    172,302.15 : 258,748.47 = 93,570.15 : x
  2. Step 2: Convert to fraction form
    172,302.15/258,748.47 = 93,570.15/x
  3. Step 3: Cross multiply
    172,302.15x = 258,748.47 × 93,570.15
  4. Step 4: Simplify right side
    172,302.15x = 24,211,133,150.17
  5. Step 5: Solve for x
    x = 24,211,133,150.17/172,302.15
  6. Step 6: Final answer
    x = 140,515.56

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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.