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Finding the Fourth Proportional to 162,070.62, 223,673.00 and 90,457.30

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Solution

The fourth proportional to 162,070.62, 223,673.00 and 90,457.30 is: 124,839.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    162,070.62 : 223,673.00 = 90,457.30 : x
  2. Step 2: Convert to fraction form
    162,070.62/223,673.00 = 90,457.30/x
  3. Step 3: Cross multiply
    162,070.62x = 223,673.00 × 90,457.30
  4. Step 4: Simplify right side
    162,070.62x = 20,232,855,490.20
  5. Step 5: Solve for x
    x = 20,232,855,490.20/162,070.62
  6. Step 6: Final answer
    x = 124,839.75

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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.