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Finding the Fourth Proportional to 186,641.10, 257,471.10 and 118,547.01

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Solution

The fourth proportional to 186,641.10, 257,471.10 and 118,547.01 is: 163,535.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    186,641.10 : 257,471.10 = 118,547.01 : x
  2. Step 2: Convert to fraction form
    186,641.10/257,471.10 = 118,547.01/x
  3. Step 3: Cross multiply
    186,641.10x = 257,471.10 × 118,547.01
  4. Step 4: Simplify right side
    186,641.10x = 30,522,429,066.41
  5. Step 5: Solve for x
    x = 30,522,429,066.41/186,641.10
  6. Step 6: Final answer
    x = 163,535.41

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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.