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Finding the Fourth Proportional to 74,670.80, 112,103.40 and 59,896.40

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Solution

The fourth proportional to 74,670.80, 112,103.40 and 59,896.40 is: 89,922.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,670.80 : 112,103.40 = 59,896.40 : x
  2. Step 2: Convert to fraction form
    74,670.80/112,103.40 = 59,896.40/x
  3. Step 3: Cross multiply
    74,670.80x = 112,103.40 × 59,896.40
  4. Step 4: Simplify right side
    74,670.80x = 6,714,590,087.76
  5. Step 5: Solve for x
    x = 6,714,590,087.76/74,670.80
  6. Step 6: Final answer
    x = 89,922.57

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.