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Finding the Fourth Proportional to 160,488.58, 240,655.11 and 80,492.17

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Solution

The fourth proportional to 160,488.58, 240,655.11 and 80,492.17 is: 120,699.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    160,488.58 : 240,655.11 = 80,492.17 : x
  2. Step 2: Convert to fraction form
    160,488.58/240,655.11 = 80,492.17/x
  3. Step 3: Cross multiply
    160,488.58x = 240,655.11 × 80,492.17
  4. Step 4: Simplify right side
    160,488.58x = 19,370,852,025.49
  5. Step 5: Solve for x
    x = 19,370,852,025.49/160,488.58
  6. Step 6: Final answer
    x = 120,699.25

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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.