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Finding the Fourth Proportional to 77,459.63, 106,894.28 and 43,925.63

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Solution

The fourth proportional to 77,459.63, 106,894.28 and 43,925.63 is: 60,617.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,459.63 : 106,894.28 = 43,925.63 : x
  2. Step 2: Convert to fraction form
    77,459.63/106,894.28 = 43,925.63/x
  3. Step 3: Cross multiply
    77,459.63x = 106,894.28 × 43,925.63
  4. Step 4: Simplify right side
    77,459.63x = 4,695,398,167.74
  5. Step 5: Solve for x
    x = 4,695,398,167.74/77,459.63
  6. Step 6: Final answer
    x = 60,617.36

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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.