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Finding the Fourth Proportional to 79,935.04, 110,315.28 and 45,954.40

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Solution

The fourth proportional to 79,935.04, 110,315.28 and 45,954.40 is: 63,419.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,935.04 : 110,315.28 = 45,954.40 : x
  2. Step 2: Convert to fraction form
    79,935.04/110,315.28 = 45,954.40/x
  3. Step 3: Cross multiply
    79,935.04x = 110,315.28 × 45,954.40
  4. Step 4: Simplify right side
    79,935.04x = 5,069,472,503.23
  5. Step 5: Solve for x
    x = 5,069,472,503.23/79,935.04
  6. Step 6: Final answer
    x = 63,419.90

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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.