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Finding the Fourth Proportional to 249,533.40, 374,300.10 and 99,796.80

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Solution

The fourth proportional to 249,533.40, 374,300.10 and 99,796.80 is: 149,695.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    249,533.40 : 374,300.10 = 99,796.80 : x
  2. Step 2: Convert to fraction form
    249,533.40/374,300.10 = 99,796.80/x
  3. Step 3: Cross multiply
    249,533.40x = 374,300.10 × 99,796.80
  4. Step 4: Simplify right side
    249,533.40x = 37,353,952,219.68
  5. Step 5: Solve for x
    x = 37,353,952,219.68/249,533.40
  6. Step 6: Final answer
    x = 149,695.20

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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.