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Finding the Fourth Proportional to 71,602.16, 98,795.96 and 43,302.32

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Solution

The fourth proportional to 71,602.16, 98,795.96 and 43,302.32 is: 59,748.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,602.16 : 98,795.96 = 43,302.32 : x
  2. Step 2: Convert to fraction form
    71,602.16/98,795.96 = 43,302.32/x
  3. Step 3: Cross multiply
    71,602.16x = 98,795.96 × 43,302.32
  4. Step 4: Simplify right side
    71,602.16x = 4,278,094,274.63
  5. Step 5: Solve for x
    x = 4,278,094,274.63/71,602.16
  6. Step 6: Final answer
    x = 59,748.12

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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.