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Finding the Fourth Proportional to 172,941.48, 238,656.06 and 97,490.04

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Solution

The fourth proportional to 172,941.48, 238,656.06 and 97,490.04 is: 134,534.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    172,941.48 : 238,656.06 = 97,490.04 : x
  2. Step 2: Convert to fraction form
    172,941.48/238,656.06 = 97,490.04/x
  3. Step 3: Cross multiply
    172,941.48x = 238,656.06 × 97,490.04
  4. Step 4: Simplify right side
    172,941.48x = 23,266,588,835.64
  5. Step 5: Solve for x
    x = 23,266,588,835.64/172,941.48
  6. Step 6: Final answer
    x = 134,534.46

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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.