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Finding the Fourth Proportional to 191,015.66, 263,603.16 and 119,437.16

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Solution

The fourth proportional to 191,015.66, 263,603.16 and 119,437.16 is: 164,824.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    191,015.66 : 263,603.16 = 119,437.16 : x
  2. Step 2: Convert to fraction form
    191,015.66/263,603.16 = 119,437.16/x
  3. Step 3: Cross multiply
    191,015.66x = 263,603.16 × 119,437.16
  4. Step 4: Simplify right side
    191,015.66x = 31,484,012,797.43
  5. Step 5: Solve for x
    x = 31,484,012,797.43/191,015.66
  6. Step 6: Final answer
    x = 164,824.25

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.