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Finding the Fourth Proportional to 211,295.39, 291,587.99 and 114,499.17

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Solution

The fourth proportional to 211,295.39, 291,587.99 and 114,499.17 is: 158,009.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    211,295.39 : 291,587.99 = 114,499.17 : x
  2. Step 2: Convert to fraction form
    211,295.39/291,587.99 = 114,499.17/x
  3. Step 3: Cross multiply
    211,295.39x = 291,587.99 × 114,499.17
  4. Step 4: Simplify right side
    211,295.39x = 33,386,582,264.47
  5. Step 5: Solve for x
    x = 33,386,582,264.47/211,295.39
  6. Step 6: Final answer
    x = 158,009.05

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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.