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Finding the Fourth Proportional to 261,018.59, 360,173.54 and 159,007.03

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Solution

The fourth proportional to 261,018.59, 360,173.54 and 159,007.03 is: 219,410.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    261,018.59 : 360,173.54 = 159,007.03 : x
  2. Step 2: Convert to fraction form
    261,018.59/360,173.54 = 159,007.03/x
  3. Step 3: Cross multiply
    261,018.59x = 360,173.54 × 159,007.03
  4. Step 4: Simplify right side
    261,018.59x = 57,270,125,508.63
  5. Step 5: Solve for x
    x = 57,270,125,508.63/261,018.59
  6. Step 6: Final answer
    x = 219,410.14

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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.