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Finding the Fourth Proportional to 159,683.58, 239,046.81 and 154,005.74

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Solution

The fourth proportional to 159,683.58, 239,046.81 and 154,005.74 is: 230,547.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    159,683.58 : 239,046.81 = 154,005.74 : x
  2. Step 2: Convert to fraction form
    159,683.58/239,046.81 = 154,005.74/x
  3. Step 3: Cross multiply
    159,683.58x = 239,046.81 × 154,005.74
  4. Step 4: Simplify right side
    159,683.58x = 36,814,579,673.46
  5. Step 5: Solve for x
    x = 36,814,579,673.46/159,683.58
  6. Step 6: Final answer
    x = 230,547.07

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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.