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Finding the Fourth Proportional to 153,268.61, 229,693.32 and 115,798.01

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Solution

The fourth proportional to 153,268.61, 229,693.32 and 115,798.01 is: 173,538.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    153,268.61 : 229,693.32 = 115,798.01 : x
  2. Step 2: Convert to fraction form
    153,268.61/229,693.32 = 115,798.01/x
  3. Step 3: Cross multiply
    153,268.61x = 229,693.32 × 115,798.01
  4. Step 4: Simplify right side
    153,268.61x = 26,598,028,217.83
  5. Step 5: Solve for x
    x = 26,598,028,217.83/153,268.61
  6. Step 6: Final answer
    x = 173,538.66

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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.