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Finding the Fourth Proportional to 172,952, 238,674.08 and 93,464

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Solution

The fourth proportional to 172,952, 238,674.08 and 93,464 is: 128,980.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    172,952 : 238,674.08 = 93,464 : x
  2. Step 2: Convert to fraction form
    172,952/238,674.08 = 93,464/x
  3. Step 3: Cross multiply
    172,952x = 238,674.08 × 93,464
  4. Step 4: Simplify right side
    172,952x = 22,307,434,213.12
  5. Step 5: Solve for x
    x = 22,307,434,213.12/172,952
  6. Step 6: Final answer
    x = 128,980.49

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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.