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Finding the Fourth Proportional to 144,503.65, 201,911.45 and 144,503.65

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Solution

The fourth proportional to 144,503.65, 201,911.45 and 144,503.65 is: 201,911.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    144,503.65 : 201,911.45 = 144,503.65 : x
  2. Step 2: Convert to fraction form
    144,503.65/201,911.45 = 144,503.65/x
  3. Step 3: Cross multiply
    144,503.65x = 201,911.45 × 144,503.65
  4. Step 4: Simplify right side
    144,503.65x = 29,176,941,501.79
  5. Step 5: Solve for x
    x = 29,176,941,501.79/144,503.65
  6. Step 6: Final answer
    x = 201,911.45

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.40) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.