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Finding the Fourth Proportional to 186,719.84, 257,679.60 and 101,841.60

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Solution

The fourth proportional to 186,719.84, 257,679.60 and 101,841.60 is: 140,544.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    186,719.84 : 257,679.60 = 101,841.60 : x
  2. Step 2: Convert to fraction form
    186,719.84/257,679.60 = 101,841.60/x
  3. Step 3: Cross multiply
    186,719.84x = 257,679.60 × 101,841.60
  4. Step 4: Simplify right side
    186,719.84x = 26,242,502,751.36
  5. Step 5: Solve for x
    x = 26,242,502,751.36/186,719.84
  6. Step 6: Final answer
    x = 140,544.80

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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.