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Finding the Fourth Proportional to 240,347.81, 360,206.35 and 176,870.81

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Solution

The fourth proportional to 240,347.81, 360,206.35 and 176,870.81 is: 265,074.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    240,347.81 : 360,206.35 = 176,870.81 : x
  2. Step 2: Convert to fraction form
    240,347.81/360,206.35 = 176,870.81/x
  3. Step 3: Cross multiply
    240,347.81x = 360,206.35 × 176,870.81
  4. Step 4: Simplify right side
    240,347.81x = 63,709,988,891.64
  5. Step 5: Solve for x
    x = 63,709,988,891.64/240,347.81
  6. Step 6: Final answer
    x = 265,074.14

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.