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Finding the Fourth Proportional to 201,690.95, 302,130.75 and 93,468.74

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Solution

The fourth proportional to 201,690.95, 302,130.75 and 93,468.74 is: 140,015.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    201,690.95 : 302,130.75 = 93,468.74 : x
  2. Step 2: Convert to fraction form
    201,690.95/302,130.75 = 93,468.74/x
  3. Step 3: Cross multiply
    201,690.95x = 302,130.75 × 93,468.74
  4. Step 4: Simplify right side
    201,690.95x = 28,239,778,700.41
  5. Step 5: Solve for x
    x = 28,239,778,700.41/201,690.95
  6. Step 6: Final answer
    x = 140,015.10

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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.