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Finding the Fourth Proportional to 228,000.98, 314,635.86 and 124,630.58

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Solution

The fourth proportional to 228,000.98, 314,635.86 and 124,630.58 is: 171,987.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    228,000.98 : 314,635.86 = 124,630.58 : x
  2. Step 2: Convert to fraction form
    228,000.98/314,635.86 = 124,630.58/x
  3. Step 3: Cross multiply
    228,000.98x = 314,635.86 × 124,630.58
  4. Step 4: Simplify right side
    228,000.98x = 39,213,249,720.60
  5. Step 5: Solve for x
    x = 39,213,249,720.60/228,000.98
  6. Step 6: Final answer
    x = 171,987.20

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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.