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Finding the Fourth Proportional to 180,263.10, 270,394.65 and 156,935.10

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Solution

The fourth proportional to 180,263.10, 270,394.65 and 156,935.10 is: 235,402.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    180,263.10 : 270,394.65 = 156,935.10 : x
  2. Step 2: Convert to fraction form
    180,263.10/270,394.65 = 156,935.10/x
  3. Step 3: Cross multiply
    180,263.10x = 270,394.65 × 156,935.10
  4. Step 4: Simplify right side
    180,263.10x = 42,434,411,437.22
  5. Step 5: Solve for x
    x = 42,434,411,437.22/180,263.10
  6. Step 6: Final answer
    x = 235,402.65

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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.