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Finding the Fourth Proportional to 172,848.72, 238,522.68 and 97,402.08

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Solution

The fourth proportional to 172,848.72, 238,522.68 and 97,402.08 is: 134,410.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    172,848.72 : 238,522.68 = 97,402.08 : x
  2. Step 2: Convert to fraction form
    172,848.72/238,522.68 = 97,402.08/x
  3. Step 3: Cross multiply
    172,848.72x = 238,522.68 × 97,402.08
  4. Step 4: Simplify right side
    172,848.72x = 23,232,605,159.17
  5. Step 5: Solve for x
    x = 23,232,605,159.17/172,848.72
  6. Step 6: Final answer
    x = 134,410.05

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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.