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Finding the Fourth Proportional to 172,587.51, 238,167.95 and 97,136.01

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Solution

The fourth proportional to 172,587.51, 238,167.95 and 97,136.01 is: 134,046.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    172,587.51 : 238,167.95 = 97,136.01 : x
  2. Step 2: Convert to fraction form
    172,587.51/238,167.95 = 97,136.01/x
  3. Step 3: Cross multiply
    172,587.51x = 238,167.95 × 97,136.01
  4. Step 4: Simplify right side
    172,587.51x = 23,134,683,887.20
  5. Step 5: Solve for x
    x = 23,134,683,887.20/172,587.51
  6. Step 6: Final answer
    x = 134,046.11

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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.