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Finding the Fourth Proportional to 192,159.34, 265,179.89 and 107,276.40

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Solution

The fourth proportional to 192,159.34, 265,179.89 and 107,276.40 is: 148,041.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    192,159.34 : 265,179.89 = 107,276.40 : x
  2. Step 2: Convert to fraction form
    192,159.34/265,179.89 = 107,276.40/x
  3. Step 3: Cross multiply
    192,159.34x = 265,179.89 × 107,276.40
  4. Step 4: Simplify right side
    192,159.34x = 28,447,544,219.79
  5. Step 5: Solve for x
    x = 28,447,544,219.79/192,159.34
  6. Step 6: Final answer
    x = 148,041.44

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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.