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Finding the Fourth Proportional to 242,300.41, 334,368.78 and 134,868.13

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Solution

The fourth proportional to 242,300.41, 334,368.78 and 134,868.13 is: 186,114.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    242,300.41 : 334,368.78 = 134,868.13 : x
  2. Step 2: Convert to fraction form
    242,300.41/334,368.78 = 134,868.13/x
  3. Step 3: Cross multiply
    242,300.41x = 334,368.78 × 134,868.13
  4. Step 4: Simplify right side
    242,300.41x = 45,095,691,253.06
  5. Step 5: Solve for x
    x = 45,095,691,253.06/242,300.41
  6. Step 6: Final answer
    x = 186,114.80

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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.