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Finding the Fourth Proportional to 157,755.72, 235,914.86 and 117,802.76

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Solution

The fourth proportional to 157,755.72, 235,914.86 and 117,802.76 is: 176,167.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    157,755.72 : 235,914.86 = 117,802.76 : x
  2. Step 2: Convert to fraction form
    157,755.72/235,914.86 = 117,802.76/x
  3. Step 3: Cross multiply
    157,755.72x = 235,914.86 × 117,802.76
  4. Step 4: Simplify right side
    157,755.72x = 27,791,421,633.01
  5. Step 5: Solve for x
    x = 27,791,421,633.01/157,755.72
  6. Step 6: Final answer
    x = 176,167.44

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1.5x scale

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.