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Finding the Fourth Proportional to 70,225.39, 105,337.68 and 23,477.86

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Solution

The fourth proportional to 70,225.39, 105,337.68 and 23,477.86 is: 35,216.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,225.39 : 105,337.68 = 23,477.86 : x
  2. Step 2: Convert to fraction form
    70,225.39/105,337.68 = 23,477.86/x
  3. Step 3: Cross multiply
    70,225.39x = 105,337.68 × 23,477.86
  4. Step 4: Simplify right side
    70,225.39x = 2,473,103,303.76
  5. Step 5: Solve for x
    x = 2,473,103,303.76/70,225.39
  6. Step 6: Final answer
    x = 35,216.65

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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.