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Finding the Fourth Proportional to 59,135.60, 88,703.40 and 42,460.40

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Solution

The fourth proportional to 59,135.60, 88,703.40 and 42,460.40 is: 63,690.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    59,135.60 : 88,703.40 = 42,460.40 : x
  2. Step 2: Convert to fraction form
    59,135.60/88,703.40 = 42,460.40/x
  3. Step 3: Cross multiply
    59,135.60x = 88,703.40 × 42,460.40
  4. Step 4: Simplify right side
    59,135.60x = 3,766,381,845.36
  5. Step 5: Solve for x
    x = 3,766,381,845.36/59,135.60
  6. Step 6: Final answer
    x = 63,690.60

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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.