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Finding the Fourth Proportional to 209,084.70, 313,646.48 and 59,328.66

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Solution

The fourth proportional to 209,084.70, 313,646.48 and 59,328.66 is: 88,998.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    209,084.70 : 313,646.48 = 59,328.66 : x
  2. Step 2: Convert to fraction form
    209,084.70/313,646.48 = 59,328.66/x
  3. Step 3: Cross multiply
    209,084.70x = 313,646.48 × 59,328.66
  4. Step 4: Simplify right side
    209,084.70x = 18,608,225,075.47
  5. Step 5: Solve for x
    x = 18,608,225,075.47/209,084.70
  6. Step 6: Final answer
    x = 88,998.50

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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.