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Finding the Fourth Proportional to 160,835.69, 240,872.17 and 127,448.40

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Solution

The fourth proportional to 160,835.69, 240,872.17 and 127,448.40 is: 190,870.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    160,835.69 : 240,872.17 = 127,448.40 : x
  2. Step 2: Convert to fraction form
    160,835.69/240,872.17 = 127,448.40/x
  3. Step 3: Cross multiply
    160,835.69x = 240,872.17 × 127,448.40
  4. Step 4: Simplify right side
    160,835.69x = 30,698,772,671.03
  5. Step 5: Solve for x
    x = 30,698,772,671.03/160,835.69
  6. Step 6: Final answer
    x = 190,870.40

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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.