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Finding the Fourth Proportional to 238,501.87, 329,131.50 and 136,526.77

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Solution

The fourth proportional to 238,501.87, 329,131.50 and 136,526.77 is: 188,406.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    238,501.87 : 329,131.50 = 136,526.77 : x
  2. Step 2: Convert to fraction form
    238,501.87/329,131.50 = 136,526.77/x
  3. Step 3: Cross multiply
    238,501.87x = 329,131.50 × 136,526.77
  4. Step 4: Simplify right side
    238,501.87x = 44,935,259,416.29
  5. Step 5: Solve for x
    x = 44,935,259,416.29/238,501.87
  6. Step 6: Final answer
    x = 188,406.32

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.