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Finding the Fourth Proportional to 242,330.98, 334,696.72 and 161,618.24

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Solution

The fourth proportional to 242,330.98, 334,696.72 and 161,618.24 is: 223,219.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    242,330.98 : 334,696.72 = 161,618.24 : x
  2. Step 2: Convert to fraction form
    242,330.98/334,696.72 = 161,618.24/x
  3. Step 3: Cross multiply
    242,330.98x = 334,696.72 × 161,618.24
  4. Step 4: Simplify right side
    242,330.98x = 54,093,094,820.17
  5. Step 5: Solve for x
    x = 54,093,094,820.17/242,330.98
  6. Step 6: Final answer
    x = 223,219.89

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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.