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Finding the Fourth Proportional to 124,130.10, 186,272.10 and 65,008.20

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Solution

The fourth proportional to 124,130.10, 186,272.10 and 65,008.20 is: 97,552.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,130.10 : 186,272.10 = 65,008.20 : x
  2. Step 2: Convert to fraction form
    124,130.10/186,272.10 = 65,008.20/x
  3. Step 3: Cross multiply
    124,130.10x = 186,272.10 × 65,008.20
  4. Step 4: Simplify right side
    124,130.10x = 12,109,213,931.22
  5. Step 5: Solve for x
    x = 12,109,213,931.22/124,130.10
  6. Step 6: Final answer
    x = 97,552.60

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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.