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Finding the Fourth Proportional to 124,479.92, 186,802.90 and 64,563.62

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Solution

The fourth proportional to 124,479.92, 186,802.90 and 64,563.62 is: 96,888.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,479.92 : 186,802.90 = 64,563.62 : x
  2. Step 2: Convert to fraction form
    124,479.92/186,802.90 = 64,563.62/x
  3. Step 3: Cross multiply
    124,479.92x = 186,802.90 × 64,563.62
  4. Step 4: Simplify right side
    124,479.92x = 12,060,671,450.50
  5. Step 5: Solve for x
    x = 12,060,671,450.50/124,479.92
  6. Step 6: Final answer
    x = 96,888.49

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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.