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Finding the Fourth Proportional to 164,015.89, 245,938.75 and 75,192.91

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Solution

The fourth proportional to 164,015.89, 245,938.75 and 75,192.91 is: 112,750.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    164,015.89 : 245,938.75 = 75,192.91 : x
  2. Step 2: Convert to fraction form
    164,015.89/245,938.75 = 75,192.91/x
  3. Step 3: Cross multiply
    164,015.89x = 245,938.75 × 75,192.91
  4. Step 4: Simplify right side
    164,015.89x = 18,492,849,491.43
  5. Step 5: Solve for x
    x = 18,492,849,491.43/164,015.89
  6. Step 6: Final answer
    x = 112,750.35

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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.