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Finding the Fourth Proportional to 134,678.40, 202,001.40 and 55,784.40

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Solution

The fourth proportional to 134,678.40, 202,001.40 and 55,784.40 is: 83,669.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    134,678.40 : 202,001.40 = 55,784.40 : x
  2. Step 2: Convert to fraction form
    134,678.40/202,001.40 = 55,784.40/x
  3. Step 3: Cross multiply
    134,678.40x = 202,001.40 × 55,784.40
  4. Step 4: Simplify right side
    134,678.40x = 11,268,526,898.16
  5. Step 5: Solve for x
    x = 11,268,526,898.16/134,678.40
  6. Step 6: Final answer
    x = 83,669.89

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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.