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Finding the Fourth Proportional to 191,036.70, 286,684.65 and 124,314.30

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Solution

The fourth proportional to 191,036.70, 286,684.65 and 124,314.30 is: 186,555.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    191,036.70 : 286,684.65 = 124,314.30 : x
  2. Step 2: Convert to fraction form
    191,036.70/286,684.65 = 124,314.30/x
  3. Step 3: Cross multiply
    191,036.70x = 286,684.65 × 124,314.30
  4. Step 4: Simplify right side
    191,036.70x = 35,639,001,585.50
  5. Step 5: Solve for x
    x = 35,639,001,585.50/191,036.70
  6. Step 6: Final answer
    x = 186,555.79

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1.5x scale

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.