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Finding the Fourth Proportional to 250,955.85, 346,166.90 and 148,914.06

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Solution

The fourth proportional to 250,955.85, 346,166.90 and 148,914.06 is: 205,411.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    250,955.85 : 346,166.90 = 148,914.06 : x
  2. Step 2: Convert to fraction form
    250,955.85/346,166.90 = 148,914.06/x
  3. Step 3: Cross multiply
    250,955.85x = 346,166.90 × 148,914.06
  4. Step 4: Simplify right side
    250,955.85x = 51,549,117,772.04
  5. Step 5: Solve for x
    x = 51,549,117,772.04/250,955.85
  6. Step 6: Final answer
    x = 205,411.10

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.