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Finding the Fourth Proportional to 207,037.68, 310,556.61 and 64,894.04

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Solution

The fourth proportional to 207,037.68, 310,556.61 and 64,894.04 is: 97,341.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    207,037.68 : 310,556.61 = 64,894.04 : x
  2. Step 2: Convert to fraction form
    207,037.68/310,556.61 = 64,894.04/x
  3. Step 3: Cross multiply
    207,037.68x = 310,556.61 × 64,894.04
  4. Step 4: Simplify right side
    207,037.68x = 20,153,271,518.82
  5. Step 5: Solve for x
    x = 20,153,271,518.82/207,037.68
  6. Step 6: Final answer
    x = 97,341.08

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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.