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Finding the Fourth Proportional to 243,714.69, 365,482.49 and 83,745.26

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Solution

The fourth proportional to 243,714.69, 365,482.49 and 83,745.26 is: 125,587.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    243,714.69 : 365,482.49 = 83,745.26 : x
  2. Step 2: Convert to fraction form
    243,714.69/365,482.49 = 83,745.26/x
  3. Step 3: Cross multiply
    243,714.69x = 365,482.49 × 83,745.26
  4. Step 4: Simplify right side
    243,714.69x = 30,607,423,904.36
  5. Step 5: Solve for x
    x = 30,607,423,904.36/243,714.69
  6. Step 6: Final answer
    x = 125,587.11

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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.