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Finding the Fourth Proportional to 240,345.81, 360,203.36 and 176,868.81

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Solution

The fourth proportional to 240,345.81, 360,203.36 and 176,868.81 is: 265,071.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    240,345.81 : 360,203.36 = 176,868.81 : x
  2. Step 2: Convert to fraction form
    240,345.81/360,203.36 = 176,868.81/x
  3. Step 3: Cross multiply
    240,345.81x = 360,203.36 × 176,868.81
  4. Step 4: Simplify right side
    240,345.81x = 63,708,738,756.86
  5. Step 5: Solve for x
    x = 63,708,738,756.86/240,345.81
  6. Step 6: Final answer
    x = 265,071.14

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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.