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Finding the Fourth Proportional to 162,030.30, 223,685.89 and 118,373.90

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Solution

The fourth proportional to 162,030.30, 223,685.89 and 118,373.90 is: 163,417.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    162,030.30 : 223,685.89 = 118,373.90 : x
  2. Step 2: Convert to fraction form
    162,030.30/223,685.89 = 118,373.90/x
  3. Step 3: Cross multiply
    162,030.30x = 223,685.89 × 118,373.90
  4. Step 4: Simplify right side
    162,030.30x = 26,478,570,111.34
  5. Step 5: Solve for x
    x = 26,478,570,111.34/162,030.30
  6. Step 6: Final answer
    x = 163,417.40

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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.