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Finding the Fourth Proportional to 124,450.40, 186,675.60 and 105,010.40

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Solution

The fourth proportional to 124,450.40, 186,675.60 and 105,010.40 is: 157,515.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,450.40 : 186,675.60 = 105,010.40 : x
  2. Step 2: Convert to fraction form
    124,450.40/186,675.60 = 105,010.40/x
  3. Step 3: Cross multiply
    124,450.40x = 186,675.60 × 105,010.40
  4. Step 4: Simplify right side
    124,450.40x = 19,602,879,426.24
  5. Step 5: Solve for x
    x = 19,602,879,426.24/124,450.40
  6. Step 6: Final answer
    x = 157,515.60

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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.