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Finding the Fourth Proportional to 99,800.94, 149,576.04 and 49,894.92

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Solution

The fourth proportional to 99,800.94, 149,576.04 and 49,894.92 is: 74,779.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,800.94 : 149,576.04 = 49,894.92 : x
  2. Step 2: Convert to fraction form
    99,800.94/149,576.04 = 49,894.92/x
  3. Step 3: Cross multiply
    99,800.94x = 149,576.04 × 49,894.92
  4. Step 4: Simplify right side
    99,800.94x = 7,463,084,549.72
  5. Step 5: Solve for x
    x = 7,463,084,549.72/99,800.94
  6. Step 6: Final answer
    x = 74,779.70

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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.