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Finding the Fourth Proportional to 176,937.20, 265,430.10 and 64,590.20

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Solution

The fourth proportional to 176,937.20, 265,430.10 and 64,590.20 is: 96,894.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    176,937.20 : 265,430.10 = 64,590.20 : x
  2. Step 2: Convert to fraction form
    176,937.20/265,430.10 = 64,590.20/x
  3. Step 3: Cross multiply
    176,937.20x = 265,430.10 × 64,590.20
  4. Step 4: Simplify right side
    176,937.20x = 17,144,183,245.02
  5. Step 5: Solve for x
    x = 17,144,183,245.02/176,937.20
  6. Step 6: Final answer
    x = 96,894.17

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.