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Finding the Fourth Proportional to 97,765.56, 134,916.48 and 53,053.56

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Solution

The fourth proportional to 97,765.56, 134,916.48 and 53,053.56 is: 73,213.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    97,765.56 : 134,916.48 = 53,053.56 : x
  2. Step 2: Convert to fraction form
    97,765.56/134,916.48 = 53,053.56/x
  3. Step 3: Cross multiply
    97,765.56x = 134,916.48 × 53,053.56
  4. Step 4: Simplify right side
    97,765.56x = 7,157,799,566.67
  5. Step 5: Solve for x
    x = 7,157,799,566.67/97,765.56
  6. Step 6: Final answer
    x = 73,213.92

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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.