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Finding the Fourth Proportional to 249,978.18, 374,969.70 and 62,989.68

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Solution

The fourth proportional to 249,978.18, 374,969.70 and 62,989.68 is: 94,485.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    249,978.18 : 374,969.70 = 62,989.68 : x
  2. Step 2: Convert to fraction form
    249,978.18/374,969.70 = 62,989.68/x
  3. Step 3: Cross multiply
    249,978.18x = 374,969.70 × 62,989.68
  4. Step 4: Simplify right side
    249,978.18x = 23,619,221,412.70
  5. Step 5: Solve for x
    x = 23,619,221,412.70/249,978.18
  6. Step 6: Final answer
    x = 94,485.13

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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.