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Finding the Fourth Proportional to 144,262.08, 199,156.32 and 99,472.32

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Solution

The fourth proportional to 144,262.08, 199,156.32 and 99,472.32 is: 137,323.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    144,262.08 : 199,156.32 = 99,472.32 : x
  2. Step 2: Convert to fraction form
    144,262.08/199,156.32 = 99,472.32/x
  3. Step 3: Cross multiply
    144,262.08x = 199,156.32 × 99,472.32
  4. Step 4: Simplify right side
    144,262.08x = 19,810,541,193.06
  5. Step 5: Solve for x
    x = 19,810,541,193.06/144,262.08
  6. Step 6: Final answer
    x = 137,323.27

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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.