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Finding the Fourth Proportional to 238,685.84, 358,002.02 and 61,197.02

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Solution

The fourth proportional to 238,685.84, 358,002.02 and 61,197.02 is: 91,788.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    238,685.84 : 358,002.02 = 61,197.02 : x
  2. Step 2: Convert to fraction form
    238,685.84/358,002.02 = 61,197.02/x
  3. Step 3: Cross multiply
    238,685.84x = 358,002.02 × 61,197.02
  4. Step 4: Simplify right side
    238,685.84x = 21,908,654,681.99
  5. Step 5: Solve for x
    x = 21,908,654,681.99/238,685.84
  6. Step 6: Final answer
    x = 91,788.67

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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.