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Finding the Fourth Proportional to 84,089.50, 116,044.42 and 45,848.74

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Solution

The fourth proportional to 84,089.50, 116,044.42 and 45,848.74 is: 63,271.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,089.50 : 116,044.42 = 45,848.74 : x
  2. Step 2: Convert to fraction form
    84,089.50/116,044.42 = 45,848.74/x
  3. Step 3: Cross multiply
    84,089.50x = 116,044.42 × 45,848.74
  4. Step 4: Simplify right side
    84,089.50x = 5,320,490,441.03
  5. Step 5: Solve for x
    x = 5,320,490,441.03/84,089.50
  6. Step 6: Final answer
    x = 63,271.76

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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.