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Finding the Fourth Proportional to 228,285.40, 342,837.70 and 166,026.20

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Solution

The fourth proportional to 228,285.40, 342,837.70 and 166,026.20 is: 249,337.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    228,285.40 : 342,837.70 = 166,026.20 : x
  2. Step 2: Convert to fraction form
    228,285.40/342,837.70 = 166,026.20/x
  3. Step 3: Cross multiply
    228,285.40x = 342,837.70 × 166,026.20
  4. Step 4: Simplify right side
    228,285.40x = 56,920,040,547.74
  5. Step 5: Solve for x
    x = 56,920,040,547.74/228,285.40
  6. Step 6: Final answer
    x = 249,337.19

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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.