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Finding the Fourth Proportional to 292,023.95, 402,993.03 and 157,887.95

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Solution

The fourth proportional to 292,023.95, 402,993.03 and 157,887.95 is: 217,885.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    292,023.95 : 402,993.03 = 157,887.95 : x
  2. Step 2: Convert to fraction form
    292,023.95/402,993.03 = 157,887.95/x
  3. Step 3: Cross multiply
    292,023.95x = 402,993.03 × 157,887.95
  4. Step 4: Simplify right side
    292,023.95x = 63,627,741,356.02
  5. Step 5: Solve for x
    x = 63,627,741,356.02/292,023.95
  6. Step 6: Final answer
    x = 217,885.36

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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.