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Finding the Fourth Proportional to 315,671.61, 473,577.36 and 91,014.51

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Solution

The fourth proportional to 315,671.61, 473,577.36 and 91,014.51 is: 136,541.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    315,671.61 : 473,577.36 = 91,014.51 : x
  2. Step 2: Convert to fraction form
    315,671.61/473,577.36 = 91,014.51/x
  3. Step 3: Cross multiply
    315,671.61x = 473,577.36 × 91,014.51
  4. Step 4: Simplify right side
    315,671.61x = 43,102,411,367.49
  5. Step 5: Solve for x
    x = 43,102,411,367.49/315,671.61
  6. Step 6: Final answer
    x = 136,541.93

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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.