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Finding the Fourth Proportional to 219,064.32, 302,317.92 and 123,570.99

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Solution

The fourth proportional to 219,064.32, 302,317.92 and 123,570.99 is: 170,533.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    219,064.32 : 302,317.92 = 123,570.99 : x
  2. Step 2: Convert to fraction form
    219,064.32/302,317.92 = 123,570.99/x
  3. Step 3: Cross multiply
    219,064.32x = 302,317.92 × 123,570.99
  4. Step 4: Simplify right side
    219,064.32x = 37,357,724,669.14
  5. Step 5: Solve for x
    x = 37,357,724,669.14/219,064.32
  6. Step 6: Final answer
    x = 170,533.13

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.