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Finding the Fourth Proportional to 250,063.18, 345,065.32 and 148,070.34

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Solution

The fourth proportional to 250,063.18, 345,065.32 and 148,070.34 is: 204,324.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    250,063.18 : 345,065.32 = 148,070.34 : x
  2. Step 2: Convert to fraction form
    250,063.18/345,065.32 = 148,070.34/x
  3. Step 3: Cross multiply
    250,063.18x = 345,065.32 × 148,070.34
  4. Step 4: Simplify right side
    250,063.18x = 51,093,939,254.61
  5. Step 5: Solve for x
    x = 51,093,939,254.61/250,063.18
  6. Step 6: Final answer
    x = 204,324.12

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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.