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Finding the Fourth Proportional to 124,435.44, 186,653.08 and 30,941.16

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Solution

The fourth proportional to 124,435.44, 186,653.08 and 30,941.16 is: 46,411.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,435.44 : 186,653.08 = 30,941.16 : x
  2. Step 2: Convert to fraction form
    124,435.44/186,653.08 = 30,941.16/x
  3. Step 3: Cross multiply
    124,435.44x = 186,653.08 × 30,941.16
  4. Step 4: Simplify right side
    124,435.44x = 5,775,262,812.77
  5. Step 5: Solve for x
    x = 5,775,262,812.77/124,435.44
  6. Step 6: Final answer
    x = 46,411.72

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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.