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Finding the Fourth Proportional to 272,043.48, 375,312.48 and 157,301.04

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Solution

The fourth proportional to 272,043.48, 375,312.48 and 157,301.04 is: 217,013.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    272,043.48 : 375,312.48 = 157,301.04 : x
  2. Step 2: Convert to fraction form
    272,043.48/375,312.48 = 157,301.04/x
  3. Step 3: Cross multiply
    272,043.48x = 375,312.48 × 157,301.04
  4. Step 4: Simplify right side
    272,043.48x = 59,037,043,428.98
  5. Step 5: Solve for x
    x = 59,037,043,428.98/272,043.48
  6. Step 6: Final answer
    x = 217,013.26

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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.