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Finding the Fourth Proportional to 131,597.52, 197,422.94 and 42,827.19

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Solution

The fourth proportional to 131,597.52, 197,422.94 and 42,827.19 is: 64,249.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    131,597.52 : 197,422.94 = 42,827.19 : x
  2. Step 2: Convert to fraction form
    131,597.52/197,422.94 = 42,827.19/x
  3. Step 3: Cross multiply
    131,597.52x = 197,422.94 × 42,827.19
  4. Step 4: Simplify right side
    131,597.52x = 8,455,069,547.60
  5. Step 5: Solve for x
    x = 8,455,069,547.60/131,597.52
  6. Step 6: Final answer
    x = 64,249.46

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.