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Finding the Fourth Proportional to 152,358.52, 210,156.78 and 95,671.48

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Solution

The fourth proportional to 152,358.52, 210,156.78 and 95,671.48 is: 131,965.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    152,358.52 : 210,156.78 = 95,671.48 : x
  2. Step 2: Convert to fraction form
    152,358.52/210,156.78 = 95,671.48/x
  3. Step 3: Cross multiply
    152,358.52x = 210,156.78 × 95,671.48
  4. Step 4: Simplify right side
    152,358.52x = 20,106,010,174.63
  5. Step 5: Solve for x
    x = 20,106,010,174.63/152,358.52
  6. Step 6: Final answer
    x = 131,965.12

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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.