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Finding the Fourth Proportional to 248,875.70, 373,313.55 and 71,400.65

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Solution

The fourth proportional to 248,875.70, 373,313.55 and 71,400.65 is: 107,100.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    248,875.70 : 373,313.55 = 71,400.65 : x
  2. Step 2: Convert to fraction form
    248,875.70/373,313.55 = 71,400.65/x
  3. Step 3: Cross multiply
    248,875.70x = 373,313.55 × 71,400.65
  4. Step 4: Simplify right side
    248,875.70x = 26,654,830,123.81
  5. Step 5: Solve for x
    x = 26,654,830,123.81/248,875.70
  6. Step 6: Final answer
    x = 107,100.98

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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.