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Finding the Fourth Proportional to 219,143, 302,417.61 and 118,541

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Solution

The fourth proportional to 219,143, 302,417.61 and 118,541 is: 163,586.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    219,143 : 302,417.61 = 118,541 : x
  2. Step 2: Convert to fraction form
    219,143/302,417.61 = 118,541/x
  3. Step 3: Cross multiply
    219,143x = 302,417.61 × 118,541
  4. Step 4: Simplify right side
    219,143x = 35,848,885,907.01
  5. Step 5: Solve for x
    x = 35,848,885,907.01/219,143
  6. Step 6: Final answer
    x = 163,586.73

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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.