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Finding the Fourth Proportional to 73,482.90, 101,398.53 and 43,266.45

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Solution

The fourth proportional to 73,482.90, 101,398.53 and 43,266.45 is: 59,703.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,482.90 : 101,398.53 = 43,266.45 : x
  2. Step 2: Convert to fraction form
    73,482.90/101,398.53 = 43,266.45/x
  3. Step 3: Cross multiply
    73,482.90x = 101,398.53 × 43,266.45
  4. Step 4: Simplify right side
    73,482.90x = 4,387,154,970.81
  5. Step 5: Solve for x
    x = 4,387,154,970.81/73,482.90
  6. Step 6: Final answer
    x = 59,703.08

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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.