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Finding the Fourth Proportional to 70,077.70, 96,673.59 and 45,868.01

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Solution

The fourth proportional to 70,077.70, 96,673.59 and 45,868.01 is: 63,275.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,077.70 : 96,673.59 = 45,868.01 : x
  2. Step 2: Convert to fraction form
    70,077.70/96,673.59 = 45,868.01/x
  3. Step 3: Cross multiply
    70,077.70x = 96,673.59 × 45,868.01
  4. Step 4: Simplify right side
    70,077.70x = 4,434,225,434.54
  5. Step 5: Solve for x
    x = 4,434,225,434.54/70,077.70
  6. Step 6: Final answer
    x = 63,275.84

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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.