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Finding the Fourth Proportional to 211,560.36, 291,957.36 and 116,061.36

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Solution

The fourth proportional to 211,560.36, 291,957.36 and 116,061.36 is: 160,166.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    211,560.36 : 291,957.36 = 116,061.36 : x
  2. Step 2: Convert to fraction form
    211,560.36/291,957.36 = 116,061.36/x
  3. Step 3: Cross multiply
    211,560.36x = 291,957.36 × 116,061.36
  4. Step 4: Simplify right side
    211,560.36x = 33,884,968,263.61
  5. Step 5: Solve for x
    x = 33,884,968,263.61/211,560.36
  6. Step 6: Final answer
    x = 160,166.91

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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.