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Finding the Fourth Proportional to 186,348.90, 257,153.76 and 101,465.76

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Solution

The fourth proportional to 186,348.90, 257,153.76 and 101,465.76 is: 140,018.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    186,348.90 : 257,153.76 = 101,465.76 : x
  2. Step 2: Convert to fraction form
    186,348.90/257,153.76 = 101,465.76/x
  3. Step 3: Cross multiply
    186,348.90x = 257,153.76 × 101,465.76
  4. Step 4: Simplify right side
    186,348.90x = 26,092,301,695.26
  5. Step 5: Solve for x
    x = 26,092,301,695.26/186,348.90
  6. Step 6: Final answer
    x = 140,018.54

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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.