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Finding the Fourth Proportional to 272,202.32, 375,638.80 and 151,339.76

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Solution

The fourth proportional to 272,202.32, 375,638.80 and 151,339.76 is: 208,848.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    272,202.32 : 375,638.80 = 151,339.76 : x
  2. Step 2: Convert to fraction form
    272,202.32/375,638.80 = 151,339.76/x
  3. Step 3: Cross multiply
    272,202.32x = 375,638.80 × 151,339.76
  4. Step 4: Simplify right side
    272,202.32x = 56,849,085,838.69
  5. Step 5: Solve for x
    x = 56,849,085,838.69/272,202.32
  6. Step 6: Final answer
    x = 208,848.65

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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.