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Finding the Fourth Proportional to 302,547.39, 417,525.35 and 166,591.32

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Solution

The fourth proportional to 302,547.39, 417,525.35 and 166,591.32 is: 229,901.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    302,547.39 : 417,525.35 = 166,591.32 : x
  2. Step 2: Convert to fraction form
    302,547.39/417,525.35 = 166,591.32/x
  3. Step 3: Cross multiply
    302,547.39x = 417,525.35 × 166,591.32
  4. Step 4: Simplify right side
    302,547.39x = 69,556,098,357.01
  5. Step 5: Solve for x
    x = 69,556,098,357.01/302,547.39
  6. Step 6: Final answer
    x = 229,901.50

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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.