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Finding the Fourth Proportional to 175,745.52, 242,490.84 and 104,147.76

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Solution

The fourth proportional to 175,745.52, 242,490.84 and 104,147.76 is: 143,701.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    175,745.52 : 242,490.84 = 104,147.76 : x
  2. Step 2: Convert to fraction form
    175,745.52/242,490.84 = 104,147.76/x
  3. Step 3: Cross multiply
    175,745.52x = 242,490.84 × 104,147.76
  4. Step 4: Simplify right side
    175,745.52x = 25,254,877,806.52
  5. Step 5: Solve for x
    x = 25,254,877,806.52/175,745.52
  6. Step 6: Final answer
    x = 143,701.40

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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.