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Finding the Fourth Proportional to 124,580.98, 171,925.76 and 70,864.62

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Solution

The fourth proportional to 124,580.98, 171,925.76 and 70,864.62 is: 97,795.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,580.98 : 171,925.76 = 70,864.62 : x
  2. Step 2: Convert to fraction form
    124,580.98/171,925.76 = 70,864.62/x
  3. Step 3: Cross multiply
    124,580.98x = 171,925.76 × 70,864.62
  4. Step 4: Simplify right side
    124,580.98x = 12,183,453,650.61
  5. Step 5: Solve for x
    x = 12,183,453,650.61/124,580.98
  6. Step 6: Final answer
    x = 97,795.46

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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.