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Finding the Fourth Proportional to 176,820.16, 265,303.20 and 71,612.32

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Solution

The fourth proportional to 176,820.16, 265,303.20 and 71,612.32 is: 107,448.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    176,820.16 : 265,303.20 = 71,612.32 : x
  2. Step 2: Convert to fraction form
    176,820.16/265,303.20 = 71,612.32/x
  3. Step 3: Cross multiply
    176,820.16x = 265,303.20 × 71,612.32
  4. Step 4: Simplify right side
    176,820.16x = 18,998,977,655.42
  5. Step 5: Solve for x
    x = 18,998,977,655.42/176,820.16
  6. Step 6: Final answer
    x = 107,448.03

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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.