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Finding the Fourth Proportional to 124,695.96, 172,077.96 and 70,248.24

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Solution

The fourth proportional to 124,695.96, 172,077.96 and 70,248.24 is: 96,941.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,695.96 : 172,077.96 = 70,248.24 : x
  2. Step 2: Convert to fraction form
    124,695.96/172,077.96 = 70,248.24/x
  3. Step 3: Cross multiply
    124,695.96x = 172,077.96 × 70,248.24
  4. Step 4: Simplify right side
    124,695.96x = 12,088,173,832.79
  5. Step 5: Solve for x
    x = 12,088,173,832.79/124,695.96
  6. Step 6: Final answer
    x = 96,941.18

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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.