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Finding the Fourth Proportional to 210,952.73, 291,115.53 and 114,156.58

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Solution

The fourth proportional to 210,952.73, 291,115.53 and 114,156.58 is: 157,536.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    210,952.73 : 291,115.53 = 114,156.58 : x
  2. Step 2: Convert to fraction form
    210,952.73/291,115.53 = 114,156.58/x
  3. Step 3: Cross multiply
    210,952.73x = 291,115.53 × 114,156.58
  4. Step 4: Simplify right side
    210,952.73x = 33,232,751,834.11
  5. Step 5: Solve for x
    x = 33,232,751,834.11/210,952.73
  6. Step 6: Final answer
    x = 157,536.49

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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.