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Finding the Fourth Proportional to 70,000.40, 104,885.40 and 59,632.40

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Solution

The fourth proportional to 70,000.40, 104,885.40 and 59,632.40 is: 89,350.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,000.40 : 104,885.40 = 59,632.40 : x
  2. Step 2: Convert to fraction form
    70,000.40/104,885.40 = 59,632.40/x
  3. Step 3: Cross multiply
    70,000.40x = 104,885.40 × 59,632.40
  4. Step 4: Simplify right side
    70,000.40x = 6,254,568,126.96
  5. Step 5: Solve for x
    x = 6,254,568,126.96/70,000.40
  6. Step 6: Final answer
    x = 89,350.46

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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.