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Finding the Fourth Proportional to 302,994, 418,131.59 and 167,030.10

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Solution

The fourth proportional to 302,994, 418,131.59 and 167,030.10 is: 230,501.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    302,994 : 418,131.59 = 167,030.10 : x
  2. Step 2: Convert to fraction form
    302,994/418,131.59 = 167,030.10/x
  3. Step 3: Cross multiply
    302,994x = 418,131.59 × 167,030.10
  4. Step 4: Simplify right side
    302,994x = 69,840,560,455.71
  5. Step 5: Solve for x
    x = 69,840,560,455.71/302,994
  6. Step 6: Final answer
    x = 230,501.46

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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.