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Finding the Fourth Proportional to 162,554.59, 224,316.31 and 90,920.77

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Solution

The fourth proportional to 162,554.59, 224,316.31 and 90,920.77 is: 125,465.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    162,554.59 : 224,316.31 = 90,920.77 : x
  2. Step 2: Convert to fraction form
    162,554.59/224,316.31 = 90,920.77/x
  3. Step 3: Cross multiply
    162,554.59x = 224,316.31 × 90,920.77
  4. Step 4: Simplify right side
    162,554.59x = 20,395,011,628.76
  5. Step 5: Solve for x
    x = 20,395,011,628.76/162,554.59
  6. Step 6: Final answer
    x = 125,465.62

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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.