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Finding the Fourth Proportional to 209,873.95, 314,718.05 and 60,080.11

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Solution

The fourth proportional to 209,873.95, 314,718.05 and 60,080.11 is: 90,093.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    209,873.95 : 314,718.05 = 60,080.11 : x
  2. Step 2: Convert to fraction form
    209,873.95/314,718.05 = 60,080.11/x
  3. Step 3: Cross multiply
    209,873.95x = 314,718.05 × 60,080.11
  4. Step 4: Simplify right side
    209,873.95x = 18,908,294,762.59
  5. Step 5: Solve for x
    x = 18,908,294,762.59/209,873.95
  6. Step 6: Final answer
    x = 90,093.58

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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.