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Finding the Fourth Proportional to 173,952.90, 260,734.95 and 99,108.90

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Solution

The fourth proportional to 173,952.90, 260,734.95 and 99,108.90 is: 148,552.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    173,952.90 : 260,734.95 = 99,108.90 : x
  2. Step 2: Convert to fraction form
    173,952.90/260,734.95 = 99,108.90/x
  3. Step 3: Cross multiply
    173,952.90x = 260,734.95 × 99,108.90
  4. Step 4: Simplify right side
    173,952.90x = 25,841,154,086.06
  5. Step 5: Solve for x
    x = 25,841,154,086.06/173,952.90
  6. Step 6: Final answer
    x = 148,552.59

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.