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Finding the Fourth Proportional to 265,951.72, 367,009.62 and 152,775.40

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Solution

The fourth proportional to 265,951.72, 367,009.62 and 152,775.40 is: 210,827.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    265,951.72 : 367,009.62 = 152,775.40 : x
  2. Step 2: Convert to fraction form
    265,951.72/367,009.62 = 152,775.40/x
  3. Step 3: Cross multiply
    265,951.72x = 367,009.62 × 152,775.40
  4. Step 4: Simplify right side
    265,951.72x = 56,070,041,499.35
  5. Step 5: Solve for x
    x = 56,070,041,499.35/265,951.72
  6. Step 6: Final answer
    x = 210,827.90

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.