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Finding the Fourth Proportional to 140,063.75, 210,097.45 and 46,569.50

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Solution

The fourth proportional to 140,063.75, 210,097.45 and 46,569.50 is: 69,854.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    140,063.75 : 210,097.45 = 46,569.50 : x
  2. Step 2: Convert to fraction form
    140,063.75/210,097.45 = 46,569.50/x
  3. Step 3: Cross multiply
    140,063.75x = 210,097.45 × 46,569.50
  4. Step 4: Simplify right side
    140,063.75x = 9,784,132,964.93
  5. Step 5: Solve for x
    x = 9,784,132,964.93/140,063.75
  6. Step 6: Final answer
    x = 69,854.86

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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.