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Finding the Fourth Proportional to 116,522.64, 160,788.12 and 65,534.22

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Solution

The fourth proportional to 116,522.64, 160,788.12 and 65,534.22 is: 90,429.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    116,522.64 : 160,788.12 = 65,534.22 : x
  2. Step 2: Convert to fraction form
    116,522.64/160,788.12 = 65,534.22/x
  3. Step 3: Cross multiply
    116,522.64x = 160,788.12 × 65,534.22
  4. Step 4: Simplify right side
    116,522.64x = 10,537,124,029.47
  5. Step 5: Solve for x
    x = 10,537,124,029.47/116,522.64
  6. Step 6: Final answer
    x = 90,429.84

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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.