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Finding the Fourth Proportional to 61,302.75, 91,417.67 and 60,742.22

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Solution

The fourth proportional to 61,302.75, 91,417.67 and 60,742.22 is: 90,581.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,302.75 : 91,417.67 = 60,742.22 : x
  2. Step 2: Convert to fraction form
    61,302.75/91,417.67 = 60,742.22/x
  3. Step 3: Cross multiply
    61,302.75x = 91,417.67 × 60,742.22
  4. Step 4: Simplify right side
    61,302.75x = 5,552,911,462.23
  5. Step 5: Solve for x
    x = 5,552,911,462.23/61,302.75
  6. Step 6: Final answer
    x = 90,581.77

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.