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Finding the Fourth Proportional to 172,597.65, 238,187.43 and 97,146.15

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Solution

The fourth proportional to 172,597.65, 238,187.43 and 97,146.15 is: 134,063.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    172,597.65 : 238,187.43 = 97,146.15 : x
  2. Step 2: Convert to fraction form
    172,597.65/238,187.43 = 97,146.15/x
  3. Step 3: Cross multiply
    172,597.65x = 238,187.43 × 97,146.15
  4. Step 4: Simplify right side
    172,597.65x = 23,138,991,802.89
  5. Step 5: Solve for x
    x = 23,138,991,802.89/172,597.65
  6. Step 6: Final answer
    x = 134,063.19

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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.