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Finding the Fourth Proportional to 180,875.52, 249,623.18 and 100,329.07

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Solution

The fourth proportional to 180,875.52, 249,623.18 and 100,329.07 is: 138,462.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    180,875.52 : 249,623.18 = 100,329.07 : x
  2. Step 2: Convert to fraction form
    180,875.52/249,623.18 = 100,329.07/x
  3. Step 3: Cross multiply
    180,875.52x = 249,623.18 × 100,329.07
  4. Step 4: Simplify right side
    180,875.52x = 25,044,461,499.84
  5. Step 5: Solve for x
    x = 25,044,461,499.84/180,875.52
  6. Step 6: Final answer
    x = 138,462.42

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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.