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Finding the Fourth Proportional to 114,519.46, 158,038.50 and 85,788.22

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Solution

The fourth proportional to 114,519.46, 158,038.50 and 85,788.22 is: 118,388.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    114,519.46 : 158,038.50 = 85,788.22 : x
  2. Step 2: Convert to fraction form
    114,519.46/158,038.50 = 85,788.22/x
  3. Step 3: Cross multiply
    114,519.46x = 158,038.50 × 85,788.22
  4. Step 4: Simplify right side
    114,519.46x = 13,557,841,606.47
  5. Step 5: Solve for x
    x = 13,557,841,606.47/114,519.46
  6. Step 6: Final answer
    x = 118,388.98

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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.