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Finding the Fourth Proportional to 213,551.84, 294,675.88 and 118,045.48

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Solution

The fourth proportional to 213,551.84, 294,675.88 and 118,045.48 is: 162,888.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    213,551.84 : 294,675.88 = 118,045.48 : x
  2. Step 2: Convert to fraction form
    213,551.84/294,675.88 = 118,045.48/x
  3. Step 3: Cross multiply
    213,551.84x = 294,675.88 × 118,045.48
  4. Step 4: Simplify right side
    213,551.84x = 34,785,155,699.02
  5. Step 5: Solve for x
    x = 34,785,155,699.02/213,551.84
  6. Step 6: Final answer
    x = 162,888.58

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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.