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Finding the Fourth Proportional to 173,888.48, 260,501.64 and 99,060.20

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Solution

The fourth proportional to 173,888.48, 260,501.64 and 99,060.20 is: 148,401.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    173,888.48 : 260,501.64 = 99,060.20 : x
  2. Step 2: Convert to fraction form
    173,888.48/260,501.64 = 99,060.20/x
  3. Step 3: Cross multiply
    173,888.48x = 260,501.64 × 99,060.20
  4. Step 4: Simplify right side
    173,888.48x = 25,805,344,558.73
  5. Step 5: Solve for x
    x = 25,805,344,558.73/173,888.48
  6. Step 6: Final answer
    x = 148,401.69

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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.