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Finding the Fourth Proportional to 162,666.37, 224,484.34 and 91,044.55

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Solution

The fourth proportional to 162,666.37, 224,484.34 and 91,044.55 is: 125,644.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    162,666.37 : 224,484.34 = 91,044.55 : x
  2. Step 2: Convert to fraction form
    162,666.37/224,484.34 = 91,044.55/x
  3. Step 3: Cross multiply
    162,666.37x = 224,484.34 × 91,044.55
  4. Step 4: Simplify right side
    162,666.37x = 20,438,075,717.35
  5. Step 5: Solve for x
    x = 20,438,075,717.35/162,666.37
  6. Step 6: Final answer
    x = 125,644.14

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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.