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Finding the Fourth Proportional to 235,689.96, 325,159.20 and 174,585

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Solution

The fourth proportional to 235,689.96, 325,159.20 and 174,585 is: 240,858.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    235,689.96 : 325,159.20 = 174,585 : x
  2. Step 2: Convert to fraction form
    235,689.96/325,159.20 = 174,585/x
  3. Step 3: Cross multiply
    235,689.96x = 325,159.20 × 174,585
  4. Step 4: Simplify right side
    235,689.96x = 56,767,918,932
  5. Step 5: Solve for x
    x = 56,767,918,932/235,689.96
  6. Step 6: Final answer
    x = 240,858.45

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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.