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Finding the Fourth Proportional to 61,307.26, 91,424.38 and 60,746.74

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Solution

The fourth proportional to 61,307.26, 91,424.38 and 60,746.74 is: 90,588.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,307.26 : 91,424.38 = 60,746.74 : x
  2. Step 2: Convert to fraction form
    61,307.26/91,424.38 = 60,746.74/x
  3. Step 3: Cross multiply
    61,307.26x = 91,424.38 × 60,746.74
  4. Step 4: Simplify right side
    61,307.26x = 5,553,733,041.52
  5. Step 5: Solve for x
    x = 5,553,733,041.52/61,307.26
  6. Step 6: Final answer
    x = 90,588.51

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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.