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Finding the Fourth Proportional to 172,248.24, 237,699.24 and 105,180.24

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Solution

The fourth proportional to 172,248.24, 237,699.24 and 105,180.24 is: 145,146.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    172,248.24 : 237,699.24 = 105,180.24 : x
  2. Step 2: Convert to fraction form
    172,248.24/237,699.24 = 105,180.24/x
  3. Step 3: Cross multiply
    172,248.24x = 237,699.24 × 105,180.24
  4. Step 4: Simplify right side
    172,248.24x = 25,001,263,111.02
  5. Step 5: Solve for x
    x = 25,001,263,111.02/172,248.24
  6. Step 6: Final answer
    x = 145,146.70

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1.5x scale

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.