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Finding the Fourth Proportional to 209,083.01, 313,643.95 and 59,326.97

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Solution

The fourth proportional to 209,083.01, 313,643.95 and 59,326.97 is: 88,995.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    209,083.01 : 313,643.95 = 59,326.97 : x
  2. Step 2: Convert to fraction form
    209,083.01/313,643.95 = 59,326.97/x
  3. Step 3: Cross multiply
    209,083.01x = 313,643.95 × 59,326.97
  4. Step 4: Simplify right side
    209,083.01x = 18,607,543,495.79
  5. Step 5: Solve for x
    x = 18,607,543,495.79/209,083.01
  6. Step 6: Final answer
    x = 88,995.96

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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.