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Finding the Fourth Proportional to 213,232.79, 294,259.28 and 117,740.48

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Solution

The fourth proportional to 213,232.79, 294,259.28 and 117,740.48 is: 162,480.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    213,232.79 : 294,259.28 = 117,740.48 : x
  2. Step 2: Convert to fraction form
    213,232.79/294,259.28 = 117,740.48/x
  3. Step 3: Cross multiply
    213,232.79x = 294,259.28 × 117,740.48
  4. Step 4: Simplify right side
    213,232.79x = 34,646,226,811.66
  5. Step 5: Solve for x
    x = 34,646,226,811.66/213,232.79
  6. Step 6: Final answer
    x = 162,480.77

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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.