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Finding the Fourth Proportional to 236,710.10, 355,065.15 and 68,230.10

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Solution

The fourth proportional to 236,710.10, 355,065.15 and 68,230.10 is: 102,345.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    236,710.10 : 355,065.15 = 68,230.10 : x
  2. Step 2: Convert to fraction form
    236,710.10/355,065.15 = 68,230.10/x
  3. Step 3: Cross multiply
    236,710.10x = 355,065.15 × 68,230.10
  4. Step 4: Simplify right side
    236,710.10x = 24,226,130,691.02
  5. Step 5: Solve for x
    x = 24,226,130,691.02/236,710.10
  6. Step 6: Final answer
    x = 102,345.15

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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.