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Finding the Fourth Proportional to 124,553.80, 186,830.70 and 35,802.10

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Solution

The fourth proportional to 124,553.80, 186,830.70 and 35,802.10 is: 53,703.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,553.80 : 186,830.70 = 35,802.10 : x
  2. Step 2: Convert to fraction form
    124,553.80/186,830.70 = 35,802.10/x
  3. Step 3: Cross multiply
    124,553.80x = 186,830.70 × 35,802.10
  4. Step 4: Simplify right side
    124,553.80x = 6,688,931,404.47
  5. Step 5: Solve for x
    x = 6,688,931,404.47/124,553.80
  6. Step 6: Final answer
    x = 53,703.15

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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.