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Finding the Fourth Proportional to 153,646.25, 230,493.12 and 52,420.60

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Solution

The fourth proportional to 153,646.25, 230,493.12 and 52,420.60 is: 78,639.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    153,646.25 : 230,493.12 = 52,420.60 : x
  2. Step 2: Convert to fraction form
    153,646.25/230,493.12 = 52,420.60/x
  3. Step 3: Cross multiply
    153,646.25x = 230,493.12 × 52,420.60
  4. Step 4: Simplify right side
    153,646.25x = 12,082,587,885.24
  5. Step 5: Solve for x
    x = 12,082,587,885.24/153,646.25
  6. Step 6: Final answer
    x = 78,639.00

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.