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Finding the Fourth Proportional to 282,065.10, 423,097.65 and 170,090.70

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Solution

The fourth proportional to 282,065.10, 423,097.65 and 170,090.70 is: 255,136.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    282,065.10 : 423,097.65 = 170,090.70 : x
  2. Step 2: Convert to fraction form
    282,065.10/423,097.65 = 170,090.70/x
  3. Step 3: Cross multiply
    282,065.10x = 423,097.65 × 170,090.70
  4. Step 4: Simplify right side
    282,065.10x = 71,964,975,456.86
  5. Step 5: Solve for x
    x = 71,964,975,456.86/282,065.10
  6. Step 6: Final answer
    x = 255,136.05

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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.