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Finding the Fourth Proportional to 272,875.86, 376,567.74 and 152,010

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Solution

The fourth proportional to 272,875.86, 376,567.74 and 152,010 is: 209,773.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    272,875.86 : 376,567.74 = 152,010 : x
  2. Step 2: Convert to fraction form
    272,875.86/376,567.74 = 152,010/x
  3. Step 3: Cross multiply
    272,875.86x = 376,567.74 × 152,010
  4. Step 4: Simplify right side
    272,875.86x = 57,242,062,157.40
  5. Step 5: Solve for x
    x = 57,242,062,157.40/272,875.86
  6. Step 6: Final answer
    x = 209,773.27

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.