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Finding the Fourth Proportional to 162,160.56, 223,779.18 and 90,541.56

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Solution

The fourth proportional to 162,160.56, 223,779.18 and 90,541.56 is: 124,946.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    162,160.56 : 223,779.18 = 90,541.56 : x
  2. Step 2: Convert to fraction form
    162,160.56/223,779.18 = 90,541.56/x
  3. Step 3: Cross multiply
    162,160.56x = 223,779.18 × 90,541.56
  4. Step 4: Simplify right side
    162,160.56x = 20,261,316,052.72
  5. Step 5: Solve for x
    x = 20,261,316,052.72/162,160.56
  6. Step 6: Final answer
    x = 124,946.02

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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.