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Finding the Fourth Proportional to 219,240.54, 302,551.47 and 118,638.54

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Solution

The fourth proportional to 219,240.54, 302,551.47 and 118,638.54 is: 163,720.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    219,240.54 : 302,551.47 = 118,638.54 : x
  2. Step 2: Convert to fraction form
    219,240.54/302,551.47 = 118,638.54/x
  3. Step 3: Cross multiply
    219,240.54x = 302,551.47 × 118,638.54
  4. Step 4: Simplify right side
    219,240.54x = 35,894,264,675.65
  5. Step 5: Solve for x
    x = 35,894,264,675.65/219,240.54
  6. Step 6: Final answer
    x = 163,720.93

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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.