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Finding the Fourth Proportional to 162,323.16, 224,001.66 and 90,703.77

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Solution

The fourth proportional to 162,323.16, 224,001.66 and 90,703.77 is: 125,168.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    162,323.16 : 224,001.66 = 90,703.77 : x
  2. Step 2: Convert to fraction form
    162,323.16/224,001.66 = 90,703.77/x
  3. Step 3: Cross multiply
    162,323.16x = 224,001.66 × 90,703.77
  4. Step 4: Simplify right side
    162,323.16x = 20,317,795,388.40
  5. Step 5: Solve for x
    x = 20,317,795,388.40/162,323.16
  6. Step 6: Final answer
    x = 125,168.80

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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.