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Finding the Fourth Proportional to 105,030.54, 157,545 and 26,144.24

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Solution

The fourth proportional to 105,030.54, 157,545 and 26,144.24 is: 39,216.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    105,030.54 : 157,545 = 26,144.24 : x
  2. Step 2: Convert to fraction form
    105,030.54/157,545 = 26,144.24/x
  3. Step 3: Cross multiply
    105,030.54x = 157,545 × 26,144.24
  4. Step 4: Simplify right side
    105,030.54x = 4,118,893,503.08
  5. Step 5: Solve for x
    x = 4,118,893,503.08/105,030.54
  6. Step 6: Final answer
    x = 39,216.15

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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.