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Finding the Fourth Proportional to 211,480.66, 317,304.01 and 93,068.93

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Solution

The fourth proportional to 211,480.66, 317,304.01 and 93,068.93 is: 139,639.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    211,480.66 : 317,304.01 = 93,068.93 : x
  2. Step 2: Convert to fraction form
    211,480.66/317,304.01 = 93,068.93/x
  3. Step 3: Cross multiply
    211,480.66x = 317,304.01 × 93,068.93
  4. Step 4: Simplify right side
    211,480.66x = 29,531,144,695.41
  5. Step 5: Solve for x
    x = 29,531,144,695.41/211,480.66
  6. Step 6: Final answer
    x = 139,639.93

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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.