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Finding the Fourth Proportional to 96,536.40, 144,689.40 and 40,376.40

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Solution

The fourth proportional to 96,536.40, 144,689.40 and 40,376.40 is: 60,516.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    96,536.40 : 144,689.40 = 40,376.40 : x
  2. Step 2: Convert to fraction form
    96,536.40/144,689.40 = 40,376.40/x
  3. Step 3: Cross multiply
    96,536.40x = 144,689.40 × 40,376.40
  4. Step 4: Simplify right side
    96,536.40x = 5,842,037,090.16
  5. Step 5: Solve for x
    x = 5,842,037,090.16/96,536.40
  6. Step 6: Final answer
    x = 60,516.42

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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.