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Finding the Fourth Proportional to 79,332.40, 109,477.48 and 43,522.32

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Solution

The fourth proportional to 79,332.40, 109,477.48 and 43,522.32 is: 60,060.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,332.40 : 109,477.48 = 43,522.32 : x
  2. Step 2: Convert to fraction form
    79,332.40/109,477.48 = 43,522.32/x
  3. Step 3: Cross multiply
    79,332.40x = 109,477.48 × 43,522.32
  4. Step 4: Simplify right side
    79,332.40x = 4,764,713,917.35
  5. Step 5: Solve for x
    x = 4,764,713,917.35/79,332.40
  6. Step 6: Final answer
    x = 60,060.13

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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.