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Finding the Fourth Proportional to 189,685.53, 284,547.44 and 61,596.45

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Solution

The fourth proportional to 189,685.53, 284,547.44 and 61,596.45 is: 92,400.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    189,685.53 : 284,547.44 = 61,596.45 : x
  2. Step 2: Convert to fraction form
    189,685.53/284,547.44 = 61,596.45/x
  3. Step 3: Cross multiply
    189,685.53x = 284,547.44 × 61,596.45
  4. Step 4: Simplify right side
    189,685.53x = 17,527,112,160.59
  5. Step 5: Solve for x
    x = 17,527,112,160.59/189,685.53
  6. Step 6: Final answer
    x = 92,400.89

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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.