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Finding the Fourth Proportional to 299,130.66, 448,465.95 and 154,881.90

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Solution

The fourth proportional to 299,130.66, 448,465.95 and 154,881.90 is: 232,203.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    299,130.66 : 448,465.95 = 154,881.90 : x
  2. Step 2: Convert to fraction form
    299,130.66/448,465.95 = 154,881.90/x
  3. Step 3: Cross multiply
    299,130.66x = 448,465.95 × 154,881.90
  4. Step 4: Simplify right side
    299,130.66x = 69,459,258,421.31
  5. Step 5: Solve for x
    x = 69,459,258,421.31/299,130.66
  6. Step 6: Final answer
    x = 232,203.74

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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.