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Finding the Fourth Proportional to 172,950.89, 238,672.14 and 97,499.39

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Solution

The fourth proportional to 172,950.89, 238,672.14 and 97,499.39 is: 134,549.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    172,950.89 : 238,672.14 = 97,499.39 : x
  2. Step 2: Convert to fraction form
    172,950.89/238,672.14 = 97,499.39/x
  3. Step 3: Cross multiply
    172,950.89x = 238,672.14 × 97,499.39
  4. Step 4: Simplify right side
    172,950.89x = 23,270,386,866.63
  5. Step 5: Solve for x
    x = 23,270,386,866.63/172,950.89
  6. Step 6: Final answer
    x = 134,549.11

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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.