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Finding the Fourth Proportional to 124,604.88, 171,953.20 and 70,889.76

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Solution

The fourth proportional to 124,604.88, 171,953.20 and 70,889.76 is: 97,827.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,604.88 : 171,953.20 = 70,889.76 : x
  2. Step 2: Convert to fraction form
    124,604.88/171,953.20 = 70,889.76/x
  3. Step 3: Cross multiply
    124,604.88x = 171,953.20 × 70,889.76
  4. Step 4: Simplify right side
    124,604.88x = 12,189,721,079.23
  5. Step 5: Solve for x
    x = 12,189,721,079.23/124,604.88
  6. Step 6: Final answer
    x = 97,827.00

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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.