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Finding the Fourth Proportional to 176,649.80, 265,088.10 and 97,820.60

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Solution

The fourth proportional to 176,649.80, 265,088.10 and 97,820.60 is: 146,793.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    176,649.80 : 265,088.10 = 97,820.60 : x
  2. Step 2: Convert to fraction form
    176,649.80/265,088.10 = 97,820.60/x
  3. Step 3: Cross multiply
    176,649.80x = 265,088.10 × 97,820.60
  4. Step 4: Simplify right side
    176,649.80x = 25,931,076,994.86
  5. Step 5: Solve for x
    x = 25,931,076,994.86/176,649.80
  6. Step 6: Final answer
    x = 146,793.70

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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.