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Finding the Fourth Proportional to 219,283.56, 302,611.22 and 118,681.56

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Solution

The fourth proportional to 219,283.56, 302,611.22 and 118,681.56 is: 163,780.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    219,283.56 : 302,611.22 = 118,681.56 : x
  2. Step 2: Convert to fraction form
    219,283.56/302,611.22 = 118,681.56/x
  3. Step 3: Cross multiply
    219,283.56x = 302,611.22 × 118,681.56
  4. Step 4: Simplify right side
    219,283.56x = 35,914,371,663.10
  5. Step 5: Solve for x
    x = 35,914,371,663.10/219,283.56
  6. Step 6: Final answer
    x = 163,780.50

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1.5x scale

Why These Related Problems?

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