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Finding the Fourth Proportional to 158,790.91, 219,123.40 and 94,262.91

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Solution

The fourth proportional to 158,790.91, 219,123.40 and 94,262.91 is: 130,078.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    158,790.91 : 219,123.40 = 94,262.91 : x
  2. Step 2: Convert to fraction form
    158,790.91/219,123.40 = 94,262.91/x
  3. Step 3: Cross multiply
    158,790.91x = 219,123.40 × 94,262.91
  4. Step 4: Simplify right side
    158,790.91x = 20,655,209,333.09
  5. Step 5: Solve for x
    x = 20,655,209,333.09/158,790.91
  6. Step 6: Final answer
    x = 130,078.03

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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.