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Finding the Fourth Proportional to 180,419.85, 249,005.75 and 103,924.08

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Solution

The fourth proportional to 180,419.85, 249,005.75 and 103,924.08 is: 143,430.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    180,419.85 : 249,005.75 = 103,924.08 : x
  2. Step 2: Convert to fraction form
    180,419.85/249,005.75 = 103,924.08/x
  3. Step 3: Cross multiply
    180,419.85x = 249,005.75 × 103,924.08
  4. Step 4: Simplify right side
    180,419.85x = 25,877,692,963.84
  5. Step 5: Solve for x
    x = 25,877,692,963.84/180,419.85
  6. Step 6: Final answer
    x = 143,430.41

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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.