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Finding the Fourth Proportional to 162,407.44, 224,126.88 and 90,795.52

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Solution

The fourth proportional to 162,407.44, 224,126.88 and 90,795.52 is: 125,300.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    162,407.44 : 224,126.88 = 90,795.52 : x
  2. Step 2: Convert to fraction form
    162,407.44/224,126.88 = 90,795.52/x
  3. Step 3: Cross multiply
    162,407.44x = 224,126.88 × 90,795.52
  4. Step 4: Simplify right side
    162,407.44x = 20,349,716,615.58
  5. Step 5: Solve for x
    x = 20,349,716,615.58/162,407.44
  6. Step 6: Final answer
    x = 125,300.40

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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.