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Finding the Fourth Proportional to 125,597.46, 173,314.44 and 71,870.16

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Solution

The fourth proportional to 125,597.46, 173,314.44 and 71,870.16 is: 99,175.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    125,597.46 : 173,314.44 = 71,870.16 : x
  2. Step 2: Convert to fraction form
    125,597.46/173,314.44 = 71,870.16/x
  3. Step 3: Cross multiply
    125,597.46x = 173,314.44 × 71,870.16
  4. Step 4: Simplify right side
    125,597.46x = 12,456,136,533.11
  5. Step 5: Solve for x
    x = 12,456,136,533.11/125,597.46
  6. Step 6: Final answer
    x = 99,175.07

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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.