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Finding the Fourth Proportional to 272,157.65, 375,590.36 and 151,300.94

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Solution

The fourth proportional to 272,157.65, 375,590.36 and 151,300.94 is: 208,802.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    272,157.65 : 375,590.36 = 151,300.94 : x
  2. Step 2: Convert to fraction form
    272,157.65/375,590.36 = 151,300.94/x
  3. Step 3: Cross multiply
    272,157.65x = 375,590.36 × 151,300.94
  4. Step 4: Simplify right side
    272,157.65x = 56,827,173,766.43
  5. Step 5: Solve for x
    x = 56,827,173,766.43/272,157.65
  6. Step 6: Final answer
    x = 208,802.42

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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.