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Finding the Fourth Proportional to 163,883.40, 245,882.70 and 158,123.40

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Solution

The fourth proportional to 163,883.40, 245,882.70 and 158,123.40 is: 237,240.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    163,883.40 : 245,882.70 = 158,123.40 : x
  2. Step 2: Convert to fraction form
    163,883.40/245,882.70 = 158,123.40/x
  3. Step 3: Cross multiply
    163,883.40x = 245,882.70 × 158,123.40
  4. Step 4: Simplify right side
    163,883.40x = 38,879,808,525.18
  5. Step 5: Solve for x
    x = 38,879,808,525.18/163,883.40
  6. Step 6: Final answer
    x = 237,240.68

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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.