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Finding the Fourth Proportional to 172,837.04, 238,515.12 and 93,349.04

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Solution

The fourth proportional to 172,837.04, 238,515.12 and 93,349.04 is: 128,821.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    172,837.04 : 238,515.12 = 93,349.04 : x
  2. Step 2: Convert to fraction form
    172,837.04/238,515.12 = 93,349.04/x
  3. Step 3: Cross multiply
    172,837.04x = 238,515.12 × 93,349.04
  4. Step 4: Simplify right side
    172,837.04x = 22,265,157,477.48
  5. Step 5: Solve for x
    x = 22,265,157,477.48/172,837.04
  6. Step 6: Final answer
    x = 128,821.68

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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.