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Finding the Fourth Proportional to 124,070.90, 186,106.35 and 49,208.90

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Solution

The fourth proportional to 124,070.90, 186,106.35 and 49,208.90 is: 73,813.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,070.90 : 186,106.35 = 49,208.90 : x
  2. Step 2: Convert to fraction form
    124,070.90/186,106.35 = 49,208.90/x
  3. Step 3: Cross multiply
    124,070.90x = 186,106.35 × 49,208.90
  4. Step 4: Simplify right side
    124,070.90x = 9,158,088,766.52
  5. Step 5: Solve for x
    x = 9,158,088,766.52/124,070.90
  6. Step 6: Final answer
    x = 73,813.35

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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.