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Finding the Fourth Proportional to 191,350.19, 286,615.22 and 155,642.01

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Solution

The fourth proportional to 191,350.19, 286,615.22 and 155,642.01 is: 233,129.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    191,350.19 : 286,615.22 = 155,642.01 : x
  2. Step 2: Convert to fraction form
    191,350.19/286,615.22 = 155,642.01/x
  3. Step 3: Cross multiply
    191,350.19x = 286,615.22 × 155,642.01
  4. Step 4: Simplify right side
    191,350.19x = 44,609,368,159.18
  5. Step 5: Solve for x
    x = 44,609,368,159.18/191,350.19
  6. Step 6: Final answer
    x = 233,129.47

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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.