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Finding the Fourth Proportional to 106,779.30, 160,168.95 and 92,955.30

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Solution

The fourth proportional to 106,779.30, 160,168.95 and 92,955.30 is: 139,432.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    106,779.30 : 160,168.95 = 92,955.30 : x
  2. Step 2: Convert to fraction form
    106,779.30/160,168.95 = 92,955.30/x
  3. Step 3: Cross multiply
    106,779.30x = 160,168.95 × 92,955.30
  4. Step 4: Simplify right side
    106,779.30x = 14,888,552,797.94
  5. Step 5: Solve for x
    x = 14,888,552,797.94/106,779.30
  6. Step 6: Final answer
    x = 139,432.95

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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.