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Finding the Fourth Proportional to 144,877.60, 216,970.80 and 144,877.60

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Solution

The fourth proportional to 144,877.60, 216,970.80 and 144,877.60 is: 216,970.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    144,877.60 : 216,970.80 = 144,877.60 : x
  2. Step 2: Convert to fraction form
    144,877.60/216,970.80 = 144,877.60/x
  3. Step 3: Cross multiply
    144,877.60x = 216,970.80 × 144,877.60
  4. Step 4: Simplify right side
    144,877.60x = 31,434,208,774.08
  5. Step 5: Solve for x
    x = 31,434,208,774.08/144,877.60
  6. Step 6: Final answer
    x = 216,970.80

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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.