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Finding the Fourth Proportional to 131,415.60, 197,123.40 and 101,924.40

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Solution

The fourth proportional to 131,415.60, 197,123.40 and 101,924.40 is: 152,886.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    131,415.60 : 197,123.40 = 101,924.40 : x
  2. Step 2: Convert to fraction form
    131,415.60/197,123.40 = 101,924.40/x
  3. Step 3: Cross multiply
    131,415.60x = 197,123.40 × 101,924.40
  4. Step 4: Simplify right side
    131,415.60x = 20,091,684,270.96
  5. Step 5: Solve for x
    x = 20,091,684,270.96/131,415.60
  6. Step 6: Final answer
    x = 152,886.60

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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.