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Finding the Fourth Proportional to 272,103.20, 375,486.32 and 151,240.32

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Solution

The fourth proportional to 272,103.20, 375,486.32 and 151,240.32 is: 208,702.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    272,103.20 : 375,486.32 = 151,240.32 : x
  2. Step 2: Convert to fraction form
    272,103.20/375,486.32 = 151,240.32/x
  3. Step 3: Cross multiply
    272,103.20x = 375,486.32 × 151,240.32
  4. Step 4: Simplify right side
    272,103.20x = 56,788,671,192.42
  5. Step 5: Solve for x
    x = 56,788,671,192.42/272,103.20
  6. Step 6: Final answer
    x = 208,702.70

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1.5x scale

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.