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Finding the Fourth Proportional to 147,722.40, 221,623.20 and 59,038.20

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Solution

The fourth proportional to 147,722.40, 221,623.20 and 59,038.20 is: 88,573.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    147,722.40 : 221,623.20 = 59,038.20 : x
  2. Step 2: Convert to fraction form
    147,722.40/221,623.20 = 59,038.20/x
  3. Step 3: Cross multiply
    147,722.40x = 221,623.20 × 59,038.20
  4. Step 4: Simplify right side
    147,722.40x = 13,084,234,806.24
  5. Step 5: Solve for x
    x = 13,084,234,806.24/147,722.40
  6. Step 6: Final answer
    x = 88,573.13

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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.