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Finding the Fourth Proportional to 160,995.20, 241,492.80 and 77,897.60

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Solution

The fourth proportional to 160,995.20, 241,492.80 and 77,897.60 is: 116,846.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    160,995.20 : 241,492.80 = 77,897.60 : x
  2. Step 2: Convert to fraction form
    160,995.20/241,492.80 = 77,897.60/x
  3. Step 3: Cross multiply
    160,995.20x = 241,492.80 × 77,897.60
  4. Step 4: Simplify right side
    160,995.20x = 18,811,709,537.28
  5. Step 5: Solve for x
    x = 18,811,709,537.28/160,995.20
  6. Step 6: Final answer
    x = 116,846.40

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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.