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Finding the Fourth Proportional to 211,160.42, 316,787.32 and 116,341.76

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Solution

The fourth proportional to 211,160.42, 316,787.32 and 116,341.76 is: 174,538.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    211,160.42 : 316,787.32 = 116,341.76 : x
  2. Step 2: Convert to fraction form
    211,160.42/316,787.32 = 116,341.76/x
  3. Step 3: Cross multiply
    211,160.42x = 316,787.32 × 116,341.76
  4. Step 4: Simplify right side
    211,160.42x = 36,855,594,354.48
  5. Step 5: Solve for x
    x = 36,855,594,354.48/211,160.42
  6. Step 6: Final answer
    x = 174,538.36

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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.