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Finding the Fourth Proportional to 194,989.84, 292,424.28 and 70,314.64

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Solution

The fourth proportional to 194,989.84, 292,424.28 and 70,314.64 is: 105,450.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    194,989.84 : 292,424.28 = 70,314.64 : x
  2. Step 2: Convert to fraction form
    194,989.84/292,424.28 = 70,314.64/x
  3. Step 3: Cross multiply
    194,989.84x = 292,424.28 × 70,314.64
  4. Step 4: Simplify right side
    194,989.84x = 20,561,707,975.46
  5. Step 5: Solve for x
    x = 20,561,707,975.46/194,989.84
  6. Step 6: Final answer
    x = 105,450.15

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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.