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Finding the Fourth Proportional to 183,878.92, 253,666.10 and 157,306.88

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Solution

The fourth proportional to 183,878.92, 253,666.10 and 157,306.88 is: 217,009.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    183,878.92 : 253,666.10 = 157,306.88 : x
  2. Step 2: Convert to fraction form
    183,878.92/253,666.10 = 157,306.88/x
  3. Step 3: Cross multiply
    183,878.92x = 253,666.10 × 157,306.88
  4. Step 4: Simplify right side
    183,878.92x = 39,903,422,752.77
  5. Step 5: Solve for x
    x = 39,903,422,752.77/183,878.92
  6. Step 6: Final answer
    x = 217,009.23

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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.