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Finding the Fourth Proportional to 125,695.79, 173,435.32 and 70,506.89

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Solution

The fourth proportional to 125,695.79, 173,435.32 and 70,506.89 is: 97,285.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    125,695.79 : 173,435.32 = 70,506.89 : x
  2. Step 2: Convert to fraction form
    125,695.79/173,435.32 = 70,506.89/x
  3. Step 3: Cross multiply
    125,695.79x = 173,435.32 × 70,506.89
  4. Step 4: Simplify right side
    125,695.79x = 12,228,385,029.35
  5. Step 5: Solve for x
    x = 12,228,385,029.35/125,695.79
  6. Step 6: Final answer
    x = 97,285.56

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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.