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Finding the Fourth Proportional to 170,362.63, 235,102.01 and 93,884.47

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Solution

The fourth proportional to 170,362.63, 235,102.01 and 93,884.47 is: 129,561.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    170,362.63 : 235,102.01 = 93,884.47 : x
  2. Step 2: Convert to fraction form
    170,362.63/235,102.01 = 93,884.47/x
  3. Step 3: Cross multiply
    170,362.63x = 235,102.01 × 93,884.47
  4. Step 4: Simplify right side
    170,362.63x = 22,072,427,075.71
  5. Step 5: Solve for x
    x = 22,072,427,075.71/170,362.63
  6. Step 6: Final answer
    x = 129,561.43

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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.