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Finding the Fourth Proportional to 211,447.27, 291,814.08 and 119,585.91

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Solution

The fourth proportional to 211,447.27, 291,814.08 and 119,585.91 is: 165,038.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    211,447.27 : 291,814.08 = 119,585.91 : x
  2. Step 2: Convert to fraction form
    211,447.27/291,814.08 = 119,585.91/x
  3. Step 3: Cross multiply
    211,447.27x = 291,814.08 × 119,585.91
  4. Step 4: Simplify right side
    211,447.27x = 34,896,852,953.47
  5. Step 5: Solve for x
    x = 34,896,852,953.47/211,447.27
  6. Step 6: Final answer
    x = 165,038.09

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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.