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Finding the Fourth Proportional to 301,312.76, 452,153.66 and 121,365.16

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Solution

The fourth proportional to 301,312.76, 452,153.66 and 121,365.16 is: 182,122.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    301,312.76 : 452,153.66 = 121,365.16 : x
  2. Step 2: Convert to fraction form
    301,312.76/452,153.66 = 121,365.16/x
  3. Step 3: Cross multiply
    301,312.76x = 452,153.66 × 121,365.16
  4. Step 4: Simplify right side
    301,312.76x = 54,875,701,290.49
  5. Step 5: Solve for x
    x = 54,875,701,290.49/301,312.76
  6. Step 6: Final answer
    x = 182,122.06

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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.