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Finding the Fourth Proportional to 194,420.80, 291,603.45 and 61,283.73

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Solution

The fourth proportional to 194,420.80, 291,603.45 and 61,283.73 is: 91,916.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    194,420.80 : 291,603.45 = 61,283.73 : x
  2. Step 2: Convert to fraction form
    194,420.80/291,603.45 = 61,283.73/x
  3. Step 3: Cross multiply
    194,420.80x = 291,603.45 × 61,283.73
  4. Step 4: Simplify right side
    194,420.80x = 17,870,547,096.87
  5. Step 5: Solve for x
    x = 17,870,547,096.87/194,420.80
  6. Step 6: Final answer
    x = 91,916.85

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1.5x scale

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.