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Finding the Fourth Proportional to 233,655.30, 349,964.55 and 93,341.70

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Solution

The fourth proportional to 233,655.30, 349,964.55 and 93,341.70 is: 139,805.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    233,655.30 : 349,964.55 = 93,341.70 : x
  2. Step 2: Convert to fraction form
    233,655.30/349,964.55 = 93,341.70/x
  3. Step 3: Cross multiply
    233,655.30x = 349,964.55 × 93,341.70
  4. Step 4: Simplify right side
    233,655.30x = 32,666,286,036.74
  5. Step 5: Solve for x
    x = 32,666,286,036.74/233,655.30
  6. Step 6: Final answer
    x = 139,805.46

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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.