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Finding the Fourth Proportional to 116,630.98, 174,036.47 and 104,064.58

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Solution

The fourth proportional to 116,630.98, 174,036.47 and 104,064.58 is: 155,284.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    116,630.98 : 174,036.47 = 104,064.58 : x
  2. Step 2: Convert to fraction form
    116,630.98/174,036.47 = 104,064.58/x
  3. Step 3: Cross multiply
    116,630.98x = 174,036.47 × 104,064.58
  4. Step 4: Simplify right side
    116,630.98x = 18,111,032,155.23
  5. Step 5: Solve for x
    x = 18,111,032,155.23/116,630.98
  6. Step 6: Final answer
    x = 155,284.92

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.