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Finding the Fourth Proportional to 118,547.20, 177,820.80 and 29,803.60

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Solution

The fourth proportional to 118,547.20, 177,820.80 and 29,803.60 is: 44,705.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    118,547.20 : 177,820.80 = 29,803.60 : x
  2. Step 2: Convert to fraction form
    118,547.20/177,820.80 = 29,803.60/x
  3. Step 3: Cross multiply
    118,547.20x = 177,820.80 × 29,803.60
  4. Step 4: Simplify right side
    118,547.20x = 5,299,699,994.88
  5. Step 5: Solve for x
    x = 5,299,699,994.88/118,547.20
  6. Step 6: Final answer
    x = 44,705.40

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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.