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Finding the Fourth Proportional to 175,680.80, 263,444.40 and 70,464.80

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Solution

The fourth proportional to 175,680.80, 263,444.40 and 70,464.80 is: 105,666.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    175,680.80 : 263,444.40 = 70,464.80 : x
  2. Step 2: Convert to fraction form
    175,680.80/263,444.40 = 70,464.80/x
  3. Step 3: Cross multiply
    175,680.80x = 263,444.40 × 70,464.80
  4. Step 4: Simplify right side
    175,680.80x = 18,563,556,957.12
  5. Step 5: Solve for x
    x = 18,563,556,957.12/175,680.80
  6. Step 6: Final answer
    x = 105,666.40

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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.