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Finding the Fourth Proportional to 176,525.64, 243,407.64 and 165,328.20

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Solution

The fourth proportional to 176,525.64, 243,407.64 and 165,328.20 is: 227,967.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    176,525.64 : 243,407.64 = 165,328.20 : x
  2. Step 2: Convert to fraction form
    176,525.64/243,407.64 = 165,328.20/x
  3. Step 3: Cross multiply
    176,525.64x = 243,407.64 × 165,328.20
  4. Step 4: Simplify right side
    176,525.64x = 40,242,146,987.45
  5. Step 5: Solve for x
    x = 40,242,146,987.45/176,525.64
  6. Step 6: Final answer
    x = 227,967.72

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.