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Finding the Fourth Proportional to 194,603.76, 291,903.89 and 61,484.01

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Solution

The fourth proportional to 194,603.76, 291,903.89 and 61,484.01 is: 92,225.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    194,603.76 : 291,903.89 = 61,484.01 : x
  2. Step 2: Convert to fraction form
    194,603.76/291,903.89 = 61,484.01/x
  3. Step 3: Cross multiply
    194,603.76x = 291,903.89 × 61,484.01
  4. Step 4: Simplify right side
    194,603.76x = 17,947,421,384.38
  5. Step 5: Solve for x
    x = 17,947,421,384.38/194,603.76
  6. Step 6: Final answer
    x = 92,225.46

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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.