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Finding the Fourth Proportional to 213,554.04, 294,690 and 118,059.88

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Solution

The fourth proportional to 213,554.04, 294,690 and 118,059.88 is: 162,914.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    213,554.04 : 294,690 = 118,059.88 : x
  2. Step 2: Convert to fraction form
    213,554.04/294,690 = 118,059.88/x
  3. Step 3: Cross multiply
    213,554.04x = 294,690 × 118,059.88
  4. Step 4: Simplify right side
    213,554.04x = 34,791,066,037.20
  5. Step 5: Solve for x
    x = 34,791,066,037.20/213,554.04
  6. Step 6: Final answer
    x = 162,914.58

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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.