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Finding the Fourth Proportional to 272,444.59, 375,975.40 and 151,590.97

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Solution

The fourth proportional to 272,444.59, 375,975.40 and 151,590.97 is: 209,196.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    272,444.59 : 375,975.40 = 151,590.97 : x
  2. Step 2: Convert to fraction form
    272,444.59/375,975.40 = 151,590.97/x
  3. Step 3: Cross multiply
    272,444.59x = 375,975.40 × 151,590.97
  4. Step 4: Simplify right side
    272,444.59x = 56,994,473,702.26
  5. Step 5: Solve for x
    x = 56,994,473,702.26/272,444.59
  6. Step 6: Final answer
    x = 209,196.57

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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.