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Finding the Fourth Proportional to 358,369.95, 537,554.93 and 109,123.23

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Solution

The fourth proportional to 358,369.95, 537,554.93 and 109,123.23 is: 163,684.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    358,369.95 : 537,554.93 = 109,123.23 : x
  2. Step 2: Convert to fraction form
    358,369.95/537,554.93 = 109,123.23/x
  3. Step 3: Cross multiply
    358,369.95x = 537,554.93 × 109,123.23
  4. Step 4: Simplify right side
    358,369.95x = 58,659,729,718.41
  5. Step 5: Solve for x
    x = 58,659,729,718.41/358,369.95
  6. Step 6: Final answer
    x = 163,684.85

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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.