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Finding the Fourth Proportional to 157,855.99, 237,849.64 and 130,391.32

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Solution

The fourth proportional to 157,855.99, 237,849.64 and 130,391.32 is: 196,467.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    157,855.99 : 237,849.64 = 130,391.32 : x
  2. Step 2: Convert to fraction form
    157,855.99/237,849.64 = 130,391.32/x
  3. Step 3: Cross multiply
    157,855.99x = 237,849.64 × 130,391.32
  4. Step 4: Simplify right side
    157,855.99x = 31,013,528,521.12
  5. Step 5: Solve for x
    x = 31,013,528,521.12/157,855.99
  6. Step 6: Final answer
    x = 196,467.23

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.