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Finding the Fourth Proportional to 199,587.52, 275,423.88 and 118,973.50

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Solution

The fourth proportional to 199,587.52, 275,423.88 and 118,973.50 is: 164,179.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    199,587.52 : 275,423.88 = 118,973.50 : x
  2. Step 2: Convert to fraction form
    199,587.52/275,423.88 = 118,973.50/x
  3. Step 3: Cross multiply
    199,587.52x = 275,423.88 × 118,973.50
  4. Step 4: Simplify right side
    199,587.52x = 32,768,142,987.18
  5. Step 5: Solve for x
    x = 32,768,142,987.18/199,587.52
  6. Step 6: Final answer
    x = 164,179.32

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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.