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Finding the Fourth Proportional to 104,224.32, 143,830.08 and 61,232.76

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Solution

The fourth proportional to 104,224.32, 143,830.08 and 61,232.76 is: 84,501.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,224.32 : 143,830.08 = 61,232.76 : x
  2. Step 2: Convert to fraction form
    104,224.32/143,830.08 = 61,232.76/x
  3. Step 3: Cross multiply
    104,224.32x = 143,830.08 × 61,232.76
  4. Step 4: Simplify right side
    104,224.32x = 8,807,112,769.42
  5. Step 5: Solve for x
    x = 8,807,112,769.42/104,224.32
  6. Step 6: Final answer
    x = 84,501.51

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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.