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Finding the Fourth Proportional to 59,269.20, 88,903.80 and 31,178.40

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Solution

The fourth proportional to 59,269.20, 88,903.80 and 31,178.40 is: 46,767.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    59,269.20 : 88,903.80 = 31,178.40 : x
  2. Step 2: Convert to fraction form
    59,269.20/88,903.80 = 31,178.40/x
  3. Step 3: Cross multiply
    59,269.20x = 88,903.80 × 31,178.40
  4. Step 4: Simplify right side
    59,269.20x = 2,771,878,237.92
  5. Step 5: Solve for x
    x = 2,771,878,237.92/59,269.20
  6. Step 6: Final answer
    x = 46,767.60

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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.