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Finding the Fourth Proportional to 333,779.48, 500,700 and 109,141.06

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Solution

The fourth proportional to 333,779.48, 500,700 and 109,141.06 is: 163,721.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    333,779.48 : 500,700 = 109,141.06 : x
  2. Step 2: Convert to fraction form
    333,779.48/500,700 = 109,141.06/x
  3. Step 3: Cross multiply
    333,779.48x = 500,700 × 109,141.06
  4. Step 4: Simplify right side
    333,779.48x = 54,646,928,742
  5. Step 5: Solve for x
    x = 54,646,928,742/333,779.48
  6. Step 6: Final answer
    x = 163,721.65

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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.