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Finding the Fourth Proportional to 91,073.40, 136,464.30 and 57,733.80

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Solution

The fourth proportional to 91,073.40, 136,464.30 and 57,733.80 is: 86,508.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,073.40 : 136,464.30 = 57,733.80 : x
  2. Step 2: Convert to fraction form
    91,073.40/136,464.30 = 57,733.80/x
  3. Step 3: Cross multiply
    91,073.40x = 136,464.30 × 57,733.80
  4. Step 4: Simplify right side
    91,073.40x = 7,878,602,603.34
  5. Step 5: Solve for x
    x = 7,878,602,603.34/91,073.40
  6. Step 6: Final answer
    x = 86,508.27

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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.