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Finding the Fourth Proportional to 162,664.98, 224,477.64 and 91,045

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Solution

The fourth proportional to 162,664.98, 224,477.64 and 91,045 is: 125,642.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    162,664.98 : 224,477.64 = 91,045 : x
  2. Step 2: Convert to fraction form
    162,664.98/224,477.64 = 91,045/x
  3. Step 3: Cross multiply
    162,664.98x = 224,477.64 × 91,045
  4. Step 4: Simplify right side
    162,664.98x = 20,437,566,733.80
  5. Step 5: Solve for x
    x = 20,437,566,733.80/162,664.98
  6. Step 6: Final answer
    x = 125,642.08

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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.