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Finding the Fourth Proportional to 162,689.99, 224,501.63 and 91,069.38

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Solution

The fourth proportional to 162,689.99, 224,501.63 and 91,069.38 is: 125,669.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    162,689.99 : 224,501.63 = 91,069.38 : x
  2. Step 2: Convert to fraction form
    162,689.99/224,501.63 = 91,069.38/x
  3. Step 3: Cross multiply
    162,689.99x = 224,501.63 × 91,069.38
  4. Step 4: Simplify right side
    162,689.99x = 20,445,223,797.74
  5. Step 5: Solve for x
    x = 20,445,223,797.74/162,689.99
  6. Step 6: Final answer
    x = 125,669.84

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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.