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Finding the Fourth Proportional to 60,153.40, 90,199.00 and 26,405.60

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Solution

The fourth proportional to 60,153.40, 90,199.00 and 26,405.60 is: 39,594.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    60,153.40 : 90,199.00 = 26,405.60 : x
  2. Step 2: Convert to fraction form
    60,153.40/90,199.00 = 26,405.60/x
  3. Step 3: Cross multiply
    60,153.40x = 90,199.00 × 26,405.60
  4. Step 4: Simplify right side
    60,153.40x = 2,381,758,780.41
  5. Step 5: Solve for x
    x = 2,381,758,780.41/60,153.40
  6. Step 6: Final answer
    x = 39,594.75

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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.