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Finding the Fourth Proportional to 350,931.72, 526,468.65 and 114,210.84

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Solution

The fourth proportional to 350,931.72, 526,468.65 and 114,210.84 is: 171,339.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    350,931.72 : 526,468.65 = 114,210.84 : x
  2. Step 2: Convert to fraction form
    350,931.72/526,468.65 = 114,210.84/x
  3. Step 3: Cross multiply
    350,931.72x = 526,468.65 × 114,210.84
  4. Step 4: Simplify right side
    350,931.72x = 60,128,426,750.17
  5. Step 5: Solve for x
    x = 60,128,426,750.17/350,931.72
  6. Step 6: Final answer
    x = 171,339.39

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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.