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Finding the Fourth Proportional to 123,925.95, 171,048.92 and 70,243.00

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Solution

The fourth proportional to 123,925.95, 171,048.92 and 70,243.00 is: 96,952.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    123,925.95 : 171,048.92 = 70,243.00 : x
  2. Step 2: Convert to fraction form
    123,925.95/171,048.92 = 70,243.00/x
  3. Step 3: Cross multiply
    123,925.95x = 171,048.92 × 70,243.00
  4. Step 4: Simplify right side
    123,925.95x = 12,014,988,508.72
  5. Step 5: Solve for x
    x = 12,014,988,508.72/123,925.95
  6. Step 6: Final answer
    x = 96,952.97

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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.