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Finding the Fourth Proportional to 124,064.16, 171,206.80 and 67,474.24

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Solution

The fourth proportional to 124,064.16, 171,206.80 and 67,474.24 is: 93,113.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,064.16 : 171,206.80 = 67,474.24 : x
  2. Step 2: Convert to fraction form
    124,064.16/171,206.80 = 67,474.24/x
  3. Step 3: Cross multiply
    124,064.16x = 171,206.80 × 67,474.24
  4. Step 4: Simplify right side
    124,064.16x = 11,552,048,712.83
  5. Step 5: Solve for x
    x = 11,552,048,712.83/124,064.16
  6. Step 6: Final answer
    x = 93,113.50

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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.