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Finding the Fourth Proportional to 97,581.63, 134,662.65 and 52,869.63

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Solution

The fourth proportional to 97,581.63, 134,662.65 and 52,869.63 is: 72,960.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    97,581.63 : 134,662.65 = 52,869.63 : x
  2. Step 2: Convert to fraction form
    97,581.63/134,662.65 = 52,869.63/x
  3. Step 3: Cross multiply
    97,581.63x = 134,662.65 × 52,869.63
  4. Step 4: Simplify right side
    97,581.63x = 7,119,564,480.32
  5. Step 5: Solve for x
    x = 7,119,564,480.32/97,581.63
  6. Step 6: Final answer
    x = 72,960.09

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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.