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Finding the Fourth Proportional to 162,058.70, 243,088.32 and 43,730.12

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Solution

The fourth proportional to 162,058.70, 243,088.32 and 43,730.12 is: 65,595.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    162,058.70 : 243,088.32 = 43,730.12 : x
  2. Step 2: Convert to fraction form
    162,058.70/243,088.32 = 43,730.12/x
  3. Step 3: Cross multiply
    162,058.70x = 243,088.32 × 43,730.12
  4. Step 4: Simplify right side
    162,058.70x = 10,630,281,404.20
  5. Step 5: Solve for x
    x = 10,630,281,404.20/162,058.70
  6. Step 6: Final answer
    x = 65,595.25

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.