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Finding the Fourth Proportional to 242,460.53, 334,605.91 and 135,030.56

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Solution

The fourth proportional to 242,460.53, 334,605.91 and 135,030.56 is: 186,347.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    242,460.53 : 334,605.91 = 135,030.56 : x
  2. Step 2: Convert to fraction form
    242,460.53/334,605.91 = 135,030.56/x
  3. Step 3: Cross multiply
    242,460.53x = 334,605.91 × 135,030.56
  4. Step 4: Simplify right side
    242,460.53x = 45,182,024,580.70
  5. Step 5: Solve for x
    x = 45,182,024,580.70/242,460.53
  6. Step 6: Final answer
    x = 186,347.96

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1.5x scale

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.