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Finding the Fourth Proportional to 192,348.60, 265,437.18 and 116,921.40

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Solution

The fourth proportional to 192,348.60, 265,437.18 and 116,921.40 is: 161,349.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    192,348.60 : 265,437.18 = 116,921.40 : x
  2. Step 2: Convert to fraction form
    192,348.60/265,437.18 = 116,921.40/x
  3. Step 3: Cross multiply
    192,348.60x = 265,437.18 × 116,921.40
  4. Step 4: Simplify right side
    192,348.60x = 31,035,286,697.65
  5. Step 5: Solve for x
    x = 31,035,286,697.65/192,348.60
  6. Step 6: Final answer
    x = 161,349.17

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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.