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Finding the Fourth Proportional to 176,911.20, 265,366.80 and 147,362.40

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Solution

The fourth proportional to 176,911.20, 265,366.80 and 147,362.40 is: 221,043.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    176,911.20 : 265,366.80 = 147,362.40 : x
  2. Step 2: Convert to fraction form
    176,911.20/265,366.80 = 147,362.40/x
  3. Step 3: Cross multiply
    176,911.20x = 265,366.80 × 147,362.40
  4. Step 4: Simplify right side
    176,911.20x = 39,105,088,528.32
  5. Step 5: Solve for x
    x = 39,105,088,528.32/176,911.20
  6. Step 6: Final answer
    x = 221,043.60

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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.