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Finding the Fourth Proportional to 249,775.60, 374,533.80 and 91,922.80

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Solution

The fourth proportional to 249,775.60, 374,533.80 and 91,922.80 is: 137,836.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    249,775.60 : 374,533.80 = 91,922.80 : x
  2. Step 2: Convert to fraction form
    249,775.60/374,533.80 = 91,922.80/x
  3. Step 3: Cross multiply
    249,775.60x = 374,533.80 × 91,922.80
  4. Step 4: Simplify right side
    249,775.60x = 34,428,195,590.64
  5. Step 5: Solve for x
    x = 34,428,195,590.64/249,775.60
  6. Step 6: Final answer
    x = 137,836.50

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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.