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Finding the Fourth Proportional to 175,655.63, 263,482.84 and 42,535.78

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Solution

The fourth proportional to 175,655.63, 263,482.84 and 42,535.78 is: 63,803.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    175,655.63 : 263,482.84 = 42,535.78 : x
  2. Step 2: Convert to fraction form
    175,655.63/263,482.84 = 42,535.78/x
  3. Step 3: Cross multiply
    175,655.63x = 263,482.84 × 42,535.78
  4. Step 4: Simplify right side
    175,655.63x = 11,207,448,116.02
  5. Step 5: Solve for x
    x = 11,207,448,116.02/175,655.63
  6. Step 6: Final answer
    x = 63,803.52

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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.