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Finding the Fourth Proportional to 132,356.34, 182,656.16 and 77,898.68

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Solution

The fourth proportional to 132,356.34, 182,656.16 and 77,898.68 is: 107,502.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,356.34 : 182,656.16 = 77,898.68 : x
  2. Step 2: Convert to fraction form
    132,356.34/182,656.16 = 77,898.68/x
  3. Step 3: Cross multiply
    132,356.34x = 182,656.16 × 77,898.68
  4. Step 4: Simplify right side
    132,356.34x = 14,228,672,455.09
  5. Step 5: Solve for x
    x = 14,228,672,455.09/132,356.34
  6. Step 6: Final answer
    x = 107,502.76

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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.