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Finding the Fourth Proportional to 295,106.80, 442,602.60 and 98,114.80

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Solution

The fourth proportional to 295,106.80, 442,602.60 and 98,114.80 is: 147,153.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    295,106.80 : 442,602.60 = 98,114.80 : x
  2. Step 2: Convert to fraction form
    295,106.80/442,602.60 = 98,114.80/x
  3. Step 3: Cross multiply
    295,106.80x = 442,602.60 × 98,114.80
  4. Step 4: Simplify right side
    295,106.80x = 43,425,865,578.48
  5. Step 5: Solve for x
    x = 43,425,865,578.48/295,106.80
  6. Step 6: Final answer
    x = 147,153.05

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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.