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Finding the Fourth Proportional to 86,745.60, 130,118.40 and 24,416.10

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Solution

The fourth proportional to 86,745.60, 130,118.40 and 24,416.10 is: 36,624.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,745.60 : 130,118.40 = 24,416.10 : x
  2. Step 2: Convert to fraction form
    86,745.60/130,118.40 = 24,416.10/x
  3. Step 3: Cross multiply
    86,745.60x = 130,118.40 × 24,416.10
  4. Step 4: Simplify right side
    86,745.60x = 3,176,983,866.24
  5. Step 5: Solve for x
    x = 3,176,983,866.24/86,745.60
  6. Step 6: Final answer
    x = 36,624.15

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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.