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Finding the Fourth Proportional to 211,655.92, 292,075.80 and 116,162.80

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Solution

The fourth proportional to 211,655.92, 292,075.80 and 116,162.80 is: 160,299.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    211,655.92 : 292,075.80 = 116,162.80 : x
  2. Step 2: Convert to fraction form
    211,655.92/292,075.80 = 116,162.80/x
  3. Step 3: Cross multiply
    211,655.92x = 292,075.80 × 116,162.80
  4. Step 4: Simplify right side
    211,655.92x = 33,928,342,740.24
  5. Step 5: Solve for x
    x = 33,928,342,740.24/211,655.92
  6. Step 6: Final answer
    x = 160,299.52

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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.