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Finding the Fourth Proportional to 131,130.88, 196,696.44 and 56,202.40

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Solution

The fourth proportional to 131,130.88, 196,696.44 and 56,202.40 is: 84,303.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    131,130.88 : 196,696.44 = 56,202.40 : x
  2. Step 2: Convert to fraction form
    131,130.88/196,696.44 = 56,202.40/x
  3. Step 3: Cross multiply
    131,130.88x = 196,696.44 × 56,202.40
  4. Step 4: Simplify right side
    131,130.88x = 11,054,811,999.46
  5. Step 5: Solve for x
    x = 11,054,811,999.46/131,130.88
  6. Step 6: Final answer
    x = 84,303.65

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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.