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Finding the Fourth Proportional to 97,167.84, 134,088.12 and 54,730.32

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Solution

The fourth proportional to 97,167.84, 134,088.12 and 54,730.32 is: 75,525.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    97,167.84 : 134,088.12 = 54,730.32 : x
  2. Step 2: Convert to fraction form
    97,167.84/134,088.12 = 54,730.32/x
  3. Step 3: Cross multiply
    97,167.84x = 134,088.12 × 54,730.32
  4. Step 4: Simplify right side
    97,167.84x = 7,338,685,715.80
  5. Step 5: Solve for x
    x = 7,338,685,715.80/97,167.84
  6. Step 6: Final answer
    x = 75,525.87

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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.