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Finding the Fourth Proportional to 92,448.40, 127,624.52 and 58,486.80

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Solution

The fourth proportional to 92,448.40, 127,624.52 and 58,486.80 is: 80,740.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    92,448.40 : 127,624.52 = 58,486.80 : x
  2. Step 2: Convert to fraction form
    92,448.40/127,624.52 = 58,486.80/x
  3. Step 3: Cross multiply
    92,448.40x = 127,624.52 × 58,486.80
  4. Step 4: Simplify right side
    92,448.40x = 7,464,349,776.34
  5. Step 5: Solve for x
    x = 7,464,349,776.34/92,448.40
  6. Step 6: Final answer
    x = 80,740.71

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.