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Finding the Fourth Proportional to 164,017.90, 245,128.10 and 119,737.90

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Solution

The fourth proportional to 164,017.90, 245,128.10 and 119,737.90 is: 178,950.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    164,017.90 : 245,128.10 = 119,737.90 : x
  2. Step 2: Convert to fraction form
    164,017.90/245,128.10 = 119,737.90/x
  3. Step 3: Cross multiply
    164,017.90x = 245,128.10 × 119,737.90
  4. Step 4: Simplify right side
    164,017.90x = 29,351,123,924.99
  5. Step 5: Solve for x
    x = 29,351,123,924.99/164,017.90
  6. Step 6: Final answer
    x = 178,950.74

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.