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Finding the Fourth Proportional to 190,366.77, 285,510.06 and 57,207.63

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Solution

The fourth proportional to 190,366.77, 285,510.06 and 57,207.63 is: 85,799.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    190,366.77 : 285,510.06 = 57,207.63 : x
  2. Step 2: Convert to fraction form
    190,366.77/285,510.06 = 57,207.63/x
  3. Step 3: Cross multiply
    190,366.77x = 285,510.06 × 57,207.63
  4. Step 4: Simplify right side
    190,366.77x = 16,333,353,873.76
  5. Step 5: Solve for x
    x = 16,333,353,873.76/190,366.77
  6. Step 6: Final answer
    x = 85,799.40

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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.