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Finding the Fourth Proportional to 207,235.60, 310,853.40 and 88,886.80

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Solution

The fourth proportional to 207,235.60, 310,853.40 and 88,886.80 is: 133,330.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    207,235.60 : 310,853.40 = 88,886.80 : x
  2. Step 2: Convert to fraction form
    207,235.60/310,853.40 = 88,886.80/x
  3. Step 3: Cross multiply
    207,235.60x = 310,853.40 × 88,886.80
  4. Step 4: Simplify right side
    207,235.60x = 27,630,763,995.12
  5. Step 5: Solve for x
    x = 27,630,763,995.12/207,235.60
  6. Step 6: Final answer
    x = 133,330.20

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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.