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Finding the Fourth Proportional to 213,695.42, 294,897.81 and 118,200.06

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Solution

The fourth proportional to 213,695.42, 294,897.81 and 118,200.06 is: 163,115.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    213,695.42 : 294,897.81 = 118,200.06 : x
  2. Step 2: Convert to fraction form
    213,695.42/294,897.81 = 118,200.06/x
  3. Step 3: Cross multiply
    213,695.42x = 294,897.81 × 118,200.06
  4. Step 4: Simplify right side
    213,695.42x = 34,856,939,279.12
  5. Step 5: Solve for x
    x = 34,856,939,279.12/213,695.42
  6. Step 6: Final answer
    x = 163,115.05

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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.