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Finding the Fourth Proportional to 94,686.54, 130,649.22 and 56,963.22

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Solution

The fourth proportional to 94,686.54, 130,649.22 and 56,963.22 is: 78,598.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    94,686.54 : 130,649.22 = 56,963.22 : x
  2. Step 2: Convert to fraction form
    94,686.54/130,649.22 = 56,963.22/x
  3. Step 3: Cross multiply
    94,686.54x = 130,649.22 × 56,963.22
  4. Step 4: Simplify right side
    94,686.54x = 7,442,200,261.69
  5. Step 5: Solve for x
    x = 7,442,200,261.69/94,686.54
  6. Step 6: Final answer
    x = 78,598.29

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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.