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Finding the Fourth Proportional to 156,653.92, 234,980.74 and 55,526.06

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Solution

The fourth proportional to 156,653.92, 234,980.74 and 55,526.06 is: 83,289.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    156,653.92 : 234,980.74 = 55,526.06 : x
  2. Step 2: Convert to fraction form
    156,653.92/234,980.74 = 55,526.06/x
  3. Step 3: Cross multiply
    156,653.92x = 234,980.74 × 55,526.06
  4. Step 4: Simplify right side
    156,653.92x = 13,047,554,668.08
  5. Step 5: Solve for x
    x = 13,047,554,668.08/156,653.92
  6. Step 6: Final answer
    x = 83,289.04

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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.